Unscoped DCT Report (Standard DCT)


MLF Label: 4.6.2 (AW) Continued Airworthiness and Safety Programs DCT Type: EP DCT Specialty: Airworthiness Peer Group: A - Part 121 Air Operators DCT Revision: 25.0 on 12/28/21 (Released)
Summary Information

Purpose (Certificate Holder Responsibility): To provide Continued Airworthiness and Safety Programs standards for aging airplane inspections such as; records reviews, repairs assessments for pressurized fuselages, supplemental inspections, fuel tank system maintenance programs, limit of validity, flammability reduction means, and fuel tank vent explosion protection.
Objective (FAA Responsibility): Determine; (1) If the CH followed the accepted or approved process; (2) If the CH provided Continued Airworthiness and Safety Programs standards for aging airplane inspections such as; records reviews, repairs assessments for pressurized fuselages, supplemental inspections, fuel tank system maintenance programs, limit of validity, flammability reduction means, and fuel tank vent explosion protection.

 (AW) Continued Airworthiness and Safety Programs Element includes the following System(s) and Subsystem(s)

Questions Answers Comments
  4.6.2 (AW) Continued Airworthiness and Safety Programs
1   
Best describe how the procedures were followed for meeting the following supplemental inspection requirements:

      #1 Performing the required damage-tolerance-based inspections on an airplane structure susceptible to fatigue cracking;
      #2 Addressing the adverse effects that repairs, alterations, and modifications have on fatigue critical structures;
      #3 Addressing the adverse effects that repairs, alterations, and modifications have on FAA-approved damage-tolerance-based inspections; and
      #4 Ensuring that the Principal Maintenance Inspector reviewed and approved all changes to the maintenance program concerning these inspections.

REFERENCES: 121.1109(c)

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:27 AM, 

QID:
 00017231, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
2   
Best describe how the Operators Implementation Plan was followed for:

      #1 Implementing the repair evaluation guideline elements obtained from the TC or STC holder's compliance document; and
      #2 Determining whether damage tolerance inspections exist for those repairs and alterations identified in the airplane survey.

REFERENCES: AC-120-93

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:27 AM, 

QID:
 00017240, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
3   
Best describe how the procedures for the development of a list of alterations were followed:

      #1 A list of all alterations that are currently installed on the fleet was compiled;
      #2 Alterations that affect fatigue critical structure and have since been removed (components removed) but the altered structure remains were included in the list;
      #3 Alterations that are not installed on its current fleet were deleted from the list;
      #4 Alterations that do not affect fatigue critical structure were deleted from the list;
      #5 The remaining alterations were reviewed to determine whether damage tolerance data already existed is needed to be developed;
      #6 A survey of the aircraft was performed to ensure that all alterations were identified; and
      #7 A letter was submitted to the responsible Aircraft Certification Service office, through the Principal Maintenance Inspector, providing a list of alterations developed by an STC Holder on the certificate holder's active fleet.

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  4  6/27/2019 11:47:18 AM, 

QID:
 00017259, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
4   
Best describe how personnel performed fuel tank system ignition prevention.


REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:27 AM, 

QID:
 00017378, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
5   
Best describe how FIMM procedures were followed to mitigate ignition sources.


REFERENCES: AC-120-98, 121.1117(c), 26.35(d)

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:27 AM, 

QID:
 00017403, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
6   
Best describe how the procedures, information, and instructions were followed:

      #1 To maintain needed design features to preclude the development of ignition sources;
      #2 To maintain needed design features that provide a means to minimize the development of flammable vapors;
      #3 To retain the critical flammability reduction features during configuration changes that may be caused by alterations, repairs, or maintenance actions;
      #4 To prevent the failure of critical flammability reduction features that exist in the fuel system; and
      #5 To manage and control the configuration of the ignition source prevention features.

REFERENCES: AC-120-98, 121.1117(h), 25.981, 26.33

Safety Attribute: Procedures,  Question Type: Process Observation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:28 AM, 

QID:
 00017421, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Consistently followed the methods
  Some steps were missed or not followed
  Methods were not consistently followed or adequate
  Not Observable
  Not Applicable
7   
Verify that the records show the certificate holder received notification from the Administrator that the aging airplane inspections and records review was completed.


REFERENCES: 121.1105(b)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "AGING AIRPLANE INSPECTIONS AND RECORDS") ,  Rev.  4  2/28/2018 1:01:03 PM, 

QID:
 00017135, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
8   
Did the certificate holder notify the Administrator at least 60 days before the date on which the airplane and airplane records would be made available for the aging inspection and records review?


REFERENCES: 121.1105(e)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "AGING AIRPLANE INSPECTIONS AND RECORDS") ,  Rev.  2  1/24/2017 9:21:23 AM, 

QID:
 00017136, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
9   
Did the certificate holder make available to the Administrator each airplane and the following records:

      #1 Total years in service of the airplane;
      #2 Total time in service of the airframe;
      #3 Total flight cycles of the airframe; and
      #4 Date of the last inspection and records review?

REFERENCES: 121.1105(d)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "AGING AIRPLANE INSPECTIONS AND RECORDS") ,  Rev.  2  1/24/2017 9:21:23 AM, 

QID:
 00017137, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
10   
Did the certificate holder make available to the Administrator each airplane and the following records:

      #1 Current status of airframe life-limited parts;
      #2 Time since the last overhaul of all structural components requiring an overhaul at a specified interval;
      #3 Current inspection status of the airplane including the time since the last inspection as required by the inspection program under which the airplane is maintained;
      #4 Current status of applicable ADs including the date and methods of compliance and, if the AD involves a recurring action, the time and date when the next action is required;
      #5 A list of major structural alterations performed; and
      #6 A report of major structural repairs performed and the current inspection status for those repairs?

REFERENCES: 121.1105(d)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "AGING AIRPLANE INSPECTIONS AND RECORDS") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017142, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
11   
Verify the records show that the certificate holder notified the Administrator and received approval of aging aircraft inspection schedule changes as a result of unforeseen scheduling conflicts.


REFERENCES: 121.1105(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "AGING AIRPLANE INSPECTIONS AND RECORDS") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017149, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
12   
Verify that the data collection documents show:

      #1 The structures which require repair assessments;
      #2 The structures were surveyed to locate repairs;
      #3 The record (survey form) showed key repair design features necessary to accomplish the repair assessment; and
      #4 Repair details were collected for analysis or immediate corrective action if static strength requirements have not been met or are in poor condition.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:28 AM, 

QID:
 00017151, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
13   
Verify that the records show repairs were classified into one of three categories:

      #1 Category A: Permanent repair for which the baseline zonal inspection is adequate to ensure continued airworthiness (inspectability) equal to the unrepaired surrounding structure;
      #2 Category B: Permanent repair that requires supplemental inspections to ensure continued airworthiness; or
      #3 Category C: Temporary (time-limited) repair that will need to be reworked or replaced prior to an established time limit.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:29 AM, 

QID:
 00017156, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
14   
Verify that that supplemental inspection/replacement records show that Category B and C repairs were accomplished using:

      #1 Calculation;
      #2 Predetermined values provided by the TC holder; or
      #3 Other values obtained using an FAA-approved method.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:30 AM, 

QID:
 00017160, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
15   
Was the first inspection threshold defined in flight cycles measured from the time of repair installation?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:30 AM, 

QID:
 00017164, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
16   
Were the certificate holder's repair assessment guideline inspection methods and intervals FAA-approved?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:30 AM, 

QID:
 00017165, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
17   
Were the repair inspection methods and intervals fulfilled per the FAA-approved maintenance or inspection program?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:30 AM, 

QID:
 00017166, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
18   
Were the repairs that were not permanent or did not fulfill inspection requirements:

      #1 Upgraded to allow utilization of the chosen inspection method and interval; or
      #2 Individually tracked to account for the repair's unique inspection method and interval requirements?

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:31 AM, 

QID:
 00017167, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
19   
Was the repair assessment process repeated at each inspection interval?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:31 AM, 

QID:
 00017170, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
20   
Did the repairs that were added between predetermined maintenance visits, including interim repairs installed at remote locations, have:

      #1 A threshold greater than the length of the predetermined maintenance visit; or
      #2 Individual tracking to account for the repair's unique inspection method and interval requirements?

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:31 AM, 

QID:
 00017171, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
21   
Did the repairs that were not upgraded to Category A have:

      #1 Supplemental inspections performed; and
      #2 Maintenance or inspection program provisions for incorporating these supplemental inspections?

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:32 AM, 

QID:
 00017174, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
22   
Did the certificate holder's Principal Maintenance Inspector approve the certificate holder's repair assessment guidelines?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:32 AM, 

QID:
 00017177, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
23   
Did the responsible Aircraft Certification Service office for the affected airplane approve maintenance or inspection program revisions of any FAA-approved repair assessment guideline?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  4  6/27/2019 11:47:14 AM, 

QID:
 00017178, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
24   
Did existing repairs have:

      #1 An assessment completed per the schedule in the FAA-approved, model-specific repair assessment guidelines for each of the affected airplanes;
      #2 All assessment actions (revised inspection programs, etc.) incorporated into the FAA-approved maintenance or inspection program; and
      #3 An AMOC, if structural repairs mandated by AD were modified?

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017179, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
25   
Verify the records show that new repairs were assessed using FAA-approved repair assessment guidelines unless they were accomplished according to:

      #1 The structural repair manuals; or
      #2 Another equivalent method that incorporates damage-tolerance methods of design and evaluation.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017183, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
26   
Verify that new repairs received a two-stage repair approval in which:

      #1 Basic structural evaluations showed that the repair met immediate and short-term strength requirements;
      #2 Extensive investigations showed that repairs met long-term strength requirements; and
      #3 Final repair approval was not made until a complete damage tolerance evaluation showed that the repair was adequate to ensure continued airworthiness.

REFERENCES: AC-120-73, AC-25.1529-1

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017186, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
27   
Verify that the records show the certificate holder reported significant findings to TC holders.


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:24 AM, 

QID:
 00017190, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
28   
Verify that personnel followed repair assessment guideline recordkeeping requirements.


REFERENCES: AC-120-73, 121.369(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017191, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
29   
Were the aircraft operated beyond the applicable flight cycle without repair assessment guidelines authorization?


REFERENCES: AC-120-73, 121.1107(a)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017192, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  No
  Yes
  Not Observable
  Not Applicable
30   
Verify that the certificate holder began the repair assessment process within the following deadlines:

      #1 Airplane cycle age was equal to or less than the implementation time on May 25, 2000;
      #2 Airplane cycle age was greater than the implementation time but was less than the design service goal on May 25, 2000; or
      #3 Airplane cycle age was greater than the design service goal on May 25, 2000.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017193, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
31   
Did invalid Category A repairs that required revised intervals greater than the base line zonal inspection:

      #1 Obtain approval for an alternative inspection method;
      #2 Upgrade the repair to allow utilization of the chosen inspection method and interval; or
      #3 Re-categorize repairs as necessary and establish unique supplemental inspection methods and intervals for specific repairs?

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  4  1/24/2017 9:21:33 AM, 

QID:
 00017198, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
32   
Did invalid Category A repairs that required revised intervals greater than the base line zonal inspection have the change evaluated to determine if the planned maintenance visit continues to fulfill the repair inspection requirements?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:33 AM, 

QID:
 00017202, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
33   
Verify that the certificate holder established and started repair assessment guidelines for newly acquired aircraft that were previously operated under an FAA-approved maintenance program per:

      #1 The previous certificate holder's schedule;
      #2 The new certificate holder's schedule; or
      #3 The schedule which would result in an earlier accomplishment date for the assessment.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017203, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
34   
Verify that the records show the certificate holder established and started repair assessment guidelines within the required deadline dates for newly acquired aircraft that were not previously operated under an FAA-approved maintenance program.


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017207, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
35   
Verify the records show that a determination of the status of the airplane relative to the model-specific implementation times was done for acquisitions of leased foreign-owned airplanes.


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017208, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
36   
Verify if the airplane:

      #1 Has exceeded or is within 1 year of exceeding the implementation time, the certificate holder has implemented the repair assessment program into the airplane's maintenance or inspection program; or
      #2 Is below the implementation time, the certificate holder has implemented the assessment program by the time the airplane has reached the model-specific time requirements.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:25 AM, 

QID:
 00017209, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
37   
Verify the repairs to structure(s) that were modified per an STC, were evaluated using the manufacturer's model-specific repair assessment guidelines, documented, and submitted to the certificate holder's Principal Maintenance Inspector for approval.


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017212, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
38   
Verify that structure(s) approved under STC's determined:

      #1 An approved design service goal; or
      #2 Approved repair assessment guidelines.

REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017213, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
39   
Did the alternate methods of developing repair assessment guidelines ascertain the "damage-tolerance" of the repairs to the extent necessary to establish what supplemental maintenance actions, if any, are necessary to assure that fatigue damage will be detected before the damage degrades the load-carrying capability of the structure below certification levels?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  3  1/24/2017 9:21:33 AM, 

QID:
 00017216, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
40   
Were the alternate methods of developing repair assessment guidelines submitted jointly to the certificate holder's Principal Maintenance Inspector and the responsible Aircraft Certification Service office for the affected airplane?


REFERENCES: AC-120-73

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "PRESSURIZED FUSELAGES") ,  Rev.  4  6/27/2019 11:47:14 AM, 

QID:
 00017217, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
41   
Verify that the records show the certificate holder met the following requirements:

      #1 All DAH fatigue critical structures were identified;
      #2 Tolerance data was based on the DAH compliance document; and
      #3 The implementation schedule met the minimum DAH requirements.

REFERENCES: 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:34 AM, 

QID:
 00017236, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
42   
Verify that the records show the following Operators Implementation Plan procedures were accomplished:

      #1 Required damage tolerance inspections for repairs were performed;
      #2 A list of alterations that affect fatigue critical baseline structure on a certificate holder's airplane(s) was produced;
      #3 Required damage tolerance inspections for alterations developed by people other than a TC or STC holder were performed;
      #4 New alteration damage tolerance inspections were performed; and
      #5 Damage tolerance inspections for alterations not supported by a TC or STC holder were obtained and implemented.

REFERENCES: AC-120-93

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:34 AM, 

QID:
 00017243, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
43   
Verify the records show that:

      #1 Damage tolerance inspections for repairs and alterations were identified as such; and
      #2 Airplanes did not operate past the time limit established for obtaining damage tolerance inspections.

REFERENCES: AC-120-93, 121.1109(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:34 AM, 

QID:
 00017249, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
44   
Verify that the records for accomplished repairs include the following:

      #1 Damage tolerance data; and
      #2 A schedule for implementing damage tolerance inspections for all repairs.

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:34 AM, 

QID:
 00017252, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
45   
Verify that the records show the development of damage tolerance data for structure that has been altered was coordinated with the party responsible for the design of the alteration.


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:34 AM, 

QID:
 00017255, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
46   
Were damage tolerance inspections for repairs:

      #1 Accomplished before the inspection threshold or within a time limit equivalent to a "C-check", whichever occurs later; and
      #2 Scheduled repetitively within the maintenance program?

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

NOTE: If the age of the repair is unknown, use the airplane’s age in flight cycles or flight hours.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017256, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
47   
Were the damage tolerance inspections performed for alterations within the timelines contained in the TC or STC holder's compliance document?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017267, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
48   
Did the certificate holder submit damage tolerance data to the responsible Aircraft Certification Service office for alterations where damage tolerance inspections were not made available by TC or STC holders per one or both of the following:

      #1 No later than December 20, 2012 or prior to the airplane reaching 75 percent of the design service goal, whichever occurs later for alterations identified during the records review; and
      #2 No later than 12 months from the time of discovery for alterations that are found during the airplane survey for repairs?

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  4  6/27/2019 11:47:15 AM, 

QID:
 00017268, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
49   
Did the certificate holder incorporate damage tolerance inspections for alterations where damage tolerance inspections were not made available by TC or STC holders, per one or both of the following:

      #1 No later than 6 months from the date the FAA approved the data for alterations identified during the records review; and
      #2 No later than 6 months from the date the FAA approved the data for alterations that were found during the airplane survey for repairs?

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017271, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
50   
Were the damage tolerance inspections for alterations with a known age implemented according to the schedule?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017274, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
51   
Were the damage tolerance inspections for alterations with an unknown age implemented using the airplane age in total flight cycles or total flight hours as applicable?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017275, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
52   
Were alteration damage tolerance inspections performed on airplanes that have not met their threshold in whichever of the following time periods occurs later:

      #1 Before the alteration inspection threshold; or
      #2 Within a time limit equivalent to a C-check interval?

REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017276, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
53   
Were alteration damage tolerant inspections accomplished within a time limit equivalent to a C-check interval from accomplishment of the damage tolerance evaluation for airplanes which are beyond their threshold?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017279, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
54   
Verify the records show that damage tolerance repetitive inspections were performed.


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:35 AM, 

QID:
 00017280, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records were accurate
  The records contained discrepancies
  Not Observable
  Not Applicable
55   
Did the alterations installed after December 20, 2010, have damage tolerance data that addressed the affected fatigue critical baseline structure or fatigue critical structure of the alteration?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:36 AM, 

QID:
 00017281, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
56   
Verify that service difficulty reporting was accomplished as it related to damage tolerance inspections.


REFERENCES: AC-120-93, 121.703

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:36 AM, 

QID:
 00017282, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
57   
Verify that reports of significant findings were submitted to TC holders.


REFERENCES: AC-120-93

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  3  1/24/2017 9:21:36 AM, 

QID:
 00017283, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
58   
Verify the records show that revisions to maintenance program damage tolerance inspections of repairs and alterations that have an effect on fatigue critical baseline structure were submitted through the Principal Maintenance Inspector to the responsible Aircraft Certification Service office for approval.


REFERENCES: AC-120-93

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  4  6/27/2019 11:47:15 AM, 

QID:
 00017290, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed that compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
59   
Did the certificate holder perform a design review and develop ICAs (inspection tasks, intervals, and limitations) for field-approved auxiliary fuel tanks installed in their airplanes?


REFERENCES: AC-120-97, 121.1113(b), 8900.1 Vol 6 Ch 11 Sec 23

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:37 AM, 

QID:
 00017348, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
60   
Did the certificate holder receive approval from the responsible Aircraft Certification Service office for the certificate holder's fuel tank safety ICA data for the field approved auxiliary tank?


REFERENCES: AC-120-97, 121.1113(b), 8900.1 Vol 6 Ch 11 Sec 23

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  4  6/27/2019 11:47:15 AM, 

QID:
 00017349, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
61   
Verify that the records show inspections to ensure that the fuel tank safety limitations were performed.


REFERENCES: AC-120-97, 121.1113(c), 8900.1 Vol 6 Ch 11 Sec 23

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:37 AM, 

QID:
 00017350, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
62   
Verify the records show that all approved ICAs were accomplished and accounted for.


REFERENCES: 121.1113(d)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:38 AM, 

QID:
 00017351, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
63   
Verify that the records show the following AD requirements for fuel tank safety:

      #1 Design changes were accomplished;
      #2 ICAs were accomplished;
      #3 Critical design configuration control limitations were adhered to;
      #4 Airworthiness limitations were met; and
      #5 Accomplishment was documented and tracked.

REFERENCES: AC-120-97, 121.1113, 121.380(a), 8900.1 Vol 6 Ch 11 Sec 23, 39.11, 39.7, 91.403(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:38 AM, 

QID:
 00017352, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
64   
Verify that the records show the following:

      #1 Accomplishment of the responsible Aircraft Certification Service office approved type certificate holder's maintenance significant items, which includes ICAs, that fall into the "No Unsafe" condition category, but are necessary to maintain continued airworthiness of the fuel tank system ignition prevention features; and
      #2 Incorporation of the TC holder's maintenance significant items (ICAs) into the CAMP, which includes tasks and intervals, from the MRBR, maintenance implementation document, or any other document in which the TC or STC holder chooses to place the information.

REFERENCES: AC-120-97, 8900.1 Vol 6 Ch 11 Sec 23

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  4  6/27/2019 11:47:17 AM, 

QID:
 00017358, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
65   
Were the fuel tank safety ICA's that were developed as a result of a fuel tank alteration included in the maintenance program?


REFERENCES: 121.1113(e)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:39 AM, 

QID:
 00017361, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
66   
Verify that the fuel tank system maintenance program development and any subsequent revisions were submitted to the Principal Inspector for review and approval.


REFERENCES: AC-120-97, D097, 121.1113(f), 8900.1 Vol 6 Ch 11 Sec 23

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:39 AM, 

QID:
 00017368, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
67   
Verify that the changes to airworthiness limitation items were:

      #1 Submitted through the Principal Inspector who will forward them to the responsible Aircraft Certification Service office; and
      #2 Approved by the responsible Aircraft Certification Service office.

REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  4  6/27/2019 11:47:17 AM, 

QID:
 00017369, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
68   
Verify that the exceptional short-term extension of fuel tank system airworthiness limitations that did not have FAA engineering approval were approved in advance by the Principal Inspector.


REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:40 AM, 

QID:
 00017372, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
69   
Verify the airworthiness limitation interval reverted back to the original interval in the maintenance program when an exceptional short-term extension of a fuel tank system airworthiness limitation was used.


REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:40 AM, 

QID:
 00017373, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
70   
Verify that the responsible Aircraft Certification Service office approved fuel tank system maintenance program deletions or changes to:

      #1 Maintenance significant items task; or
      #2 Maintenance significant items task interval.

REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  4  6/27/2019 11:47:15 AM, 

QID:
 00017374, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
71   
Was the FAA-approved fuel tank safety data used in the certificate holder's shop manuals and instructions identified as FAA-approved data?


REFERENCES: AC-120-97

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FUEL TANK SYSTEM MAINTENANCE") ,  Rev.  3  1/24/2017 9:21:40 AM, 

QID:
 00017377, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
72   
Did the airworthiness limitation section of the maintenance program contain the default limit of validity from Table 1 of 121.1115(f)?


REFERENCES: AC-120-104, 121.1115(f)

NOTE: This is applicable to aircraft with TC issued after 1958 - with DAH approved limit of validity.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017380, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
73   
Did the airworthiness limitation section of the maintenance program include the limit of validity that was the number of cycles equal to half the number of cycles accumulated on the fatigue test article?


REFERENCES: AC-120-104, 91.403(c)

NOTE: This is applicable to new aircraft before limit of validity is set.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017381, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
74   
Was the aircraft operating within its limit of validity?


REFERENCES: 121.1115(d)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017383, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
75   
Verify the aircraft that operated beyond their limit of validity have records that show that:

      #1 An approved limit of validity extension has been incorporated into the maintenance program; and
      #2 All additional widespread fatigue damage airworthiness limitation items have been accomplished.

REFERENCES: 121.1115(d)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017386, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
76   
Verify the certificate holder submitted SDRs that identified fatigue-related structural defects.


REFERENCES: AC-120-104, 121.703(a), 121.703(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:27 AM, 

QID:
 00017389, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
77   
Verify that the certificate holder submitted the reports of fatigue-related structural defects and all suspected cases of multiple site damage and/or multiple element damage to the DAHs.


REFERENCES: AC-120-104

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:27 AM, 

QID:
 00017390, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
78   
Did the certificate holder have operational IMM or FRM installed on the aircraft?


REFERENCES: AC-120-98, 121.1117(b)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:40 AM, 

QID:
 00017391, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
79   
Verify the certificate holder is scheduled to perform IMM or FRM:

      #1 The responsible Aircraft Certification Service office approved airworthiness limitation items; and
      #2 The responsible Aircraft Certification Service office approved ICAs.

REFERENCES: AC-120-98, 119.51, 121.1117(b), 91.403(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  4  6/27/2019 11:47:17 AM, 

QID:
 00017392, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
80   
Verify that the IMM or FRM section of the maintenance manual was approved by the Principal Maintenance Inspector and authorized in OpSpec D097.


REFERENCES: AC-120-98, 119.51

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:40 AM, 

QID:
 00017395, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
81   
Verify the FRM or IMM were not deactivated.


REFERENCES: 121.1117(f)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:42 AM, 

QID:
 00017416, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
82   
Verify the records show FRM or IMM airworthiness limitations procedures were followed to:

      #1 Prevent ignition;
      #2 Ensure unsafe conditions are not introduced into the affected fuel tank that could ultimately affect the fuel tank system; and
      #3 Prevent the development of fuel tank flammability increases as a result of configuration changes, repairs, alterations, or deficiencies in the maintenance program throughout the operational life of the airplane.

REFERENCES: AC-120-98, 121.1117(h), 25.981, 26.33

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:42 AM, 

QID:
 00017417, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
83   
Were the CDCCL required markings or placards properly maintained and in place?


REFERENCES: AC-120-98

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:42 AM, 

QID:
 00017427, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
84   
Verify that exceptional short-term extensions were not granted for FAA-approved Airworthiness Limitations Section items.


REFERENCES: AC-120-98

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:42 AM, 

QID:
 00017428, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
85   
Verify that the individuals involved with fuel tank maintenance received training about the following:

      #1 FRM or IMM installation goals;
      #2 Certificate holders philosophical approach; and
      #3 Methods of installing, maintaining, inspecting, and altering these systems.

REFERENCES: AC-120-98

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "FLAMMABILITY REDUCTION MEANS") ,  Rev.  3  1/24/2017 9:21:43 AM, 

QID:
 00017429, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
86   
Did the certificate holder follow its Emergency Evacuation System (EES) program requirements?


REFERENCES: D105, AC-43-208, 121.309(b)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D105") ,  Rev.  2  1/24/2017 9:22:01 AM, 

QID:
 00049339, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
87   
Were Damage Tolerance repairs, as a result of the survey, incorporated into the certificate holders maintenance program as approved by the responsible Aircraft Certification Service office or FAA Designee?


REFERENCES: AC-120-93, 121.1109

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  2  6/27/2019 11:47:14 AM, 

QID:
 00051133, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
88   
Did the certificate holder follow policies, procedures, instructions and information for this element?


Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:42 AM, 

QID:
 00051919, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
89   
Did the certificate holder determine the age of any removable structural component (RSC)?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  1  9/28/2021 9:25:03 AM, 

QID:
 00057572, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
90   
Did the certificate holder track all removable structural components (RSC) that are identified as fatigue critical baseline structure (FCBS) or that contain fatigue critical structure (FCS)?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  1  9/28/2021 9:25:03 AM, 

QID:
 00057573, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
91   
Did the certificate holder develop damage tolerance data for removable structural components retrieved from storage and installed after December 20, 2010?


REFERENCES: AC-120-93, 8900.1 Vol 4 Ch 6 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "SUPPLEMENTAL INSPECTIONS") ,  Rev.  1  9/28/2021 9:25:03 AM, 

QID:
 00057574, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
92   
Was the limit of validity clearly distinguishable within the airworthiness limitations section of the CAMP?


REFERENCES: AC-120-104, 121.1115(b), 121.1115(c)

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  2  1/24/2017 9:21:26 AM, 

QID:
 00017384, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
93   
Verify that the FAA Principal Maintenance Inspector approved the incorporation of the limit of validity which was provided by the DAH, into the airworthiness limitation section of the maintenance program.


REFERENCES: 121.1115(e)

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (MX PROGRAMS = "LIMIT OF VALIDITY") ,  Rev.  3  12/29/2020 11:23:57 AM, 

QID:
 00017385, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  The records showed compliance had been met
  The records did not show that compliance had been met
  Not Observable
  Not Applicable
94   
Did the controls effectively mitigate unacceptable risk(s) for this element?


REFERENCES: 5.53, 5.55, 5.51

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:42 AM, 

QID:
 00051920, Response Details: Controls ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
95   
Were the certificate holder's interfaces effective for this element?


Safety Attribute: Interfaces,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:42 AM, 

QID:
 00051921, Response Details: Interfaces ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
96   
Were financial and human resources provided to ensure the safety and quality performance of this element?


REFERENCES: 5.21, 5.23(a), 5.25(a), 5.25(b), 5.25(c)

Safety Attribute: Responsibility,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:42 AM, 

QID:
 00051922, Response Details: Responsibility ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
97   
Did the person with authority over the certificate holder's process effectively plan, direct and control resources, or change procedures and make key determinations including safety risk acceptance decisions for this element?


REFERENCES: 5.23(a), 5.23(b), 5.25(c)

Safety Attribute: Authority,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:43 AM, 

QID:
 00051923, Response Details: Authority ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
98   
Were the certificate holder's process measurement(s) used to evaluate the performance of this element and if necessary, implement corrective action?


REFERENCES: 5.71, 5.73, 5.75

Safety Attribute: Process Measurement,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:43 AM, 

QID:
 00051924, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
99   
Did individuals understand their role and contribute to the safety performance of this element?


REFERENCES: 5.23(a), 5.91, 5.93

Safety Attribute: Safety Ownership,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/15/2019 9:08:43 AM, 

QID:
 00051925, Response Details: Safety Ownership ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable


Response Details List  Authority ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Process oversight failure
2 Unacceptable safety risk acceptance
3 Ineffective planning of resources
4 Ineffective use of resources
5 Ineffective control of resources
6 Failure to implement safety risk processes
7 Process owner not clearly identified
8 Unqualified
9 Other
Response Details List  Controls ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Failure to identify hazards or ineffective risk controls
2 Failure to develop and maintain risk controls
3 Failure to effectively mitigate risk before applying risk controls
4 Risk controls ineffective
5 Unclear risk controls
6 Failure to assess risk for a new system
7 Failure to assess risk when revising an existing system
8 Failure to assess risk when developing operational procedures
9 Failure to maintain records of outputs of risk control assessments
10 Other
Response Details List  EP & ED DCTs (Both OP and AW) (Released, 1.0)
1 Unclear procedure(s)
2 Conflicting procedure(s)
3 Used workaround(s)
4 Skipped process step(s)
5 Personnel failed to follow process (procedures, guidance, etc)
6 Procedures/guidance not available
7 Procedures/guidance not current
8 Inconsistent procedure(s)
9 Undocumented procedure(s)
10 Minor typographical error(s) (i.e. record entries)
11 Information missing
12 Communication failure(s)
13 Personnel failed to perform task
14 Process failed to meet desired outcome
15 Process oversight failure
16 Equipment/tools not available
17 Equipment/tools not adequate
18 Equipment/tools not calibrated
19 Facilities not adequate
20 Other
Response Details List  Interfaces ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Internal communication failure(s)
2 External communication failure(s)
3 Lack of interfaces
4 Inconsistent interfaces
5 Poor coordination between departments and employees
6 Failure of interfaces between processes or procedures
7 Other
Response Details List  Process Measurement ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Inadequate monitoring of operations processes
2 Ineffective evaluations of processes or systems
3 Undocumented or insufficient investigations
4 Failure to conduct audits
5 Ineffective audits
6 Failure to detect changes in the operational environment
7 Personnel failed to perform/follow process (procedures, guidance, etc.)
8 Process failed to meet desired outcome
9 Process oversight failure
10 Other
Response Details List  Responsibility ED/EP/SP DCTs (Both OP and AW) (Released, 1.0)
1 Failed to provide financial resources
2 Failed to provide sufficient human resources
3 Individual not clearly identified
4 Failure to ensure safety of process
5 Failure to oversee operations conducted under the certificate
6 Failed to ensure quality performance of process
7 Process oversight failure
8 Communication failure(s)
9 Other
Response Details List  N/A Response Detail (Released, 2.0)
1 Not applicable or authorized for the certificate holder or applicant
2 Other
Response Details List  N/O Response Detail (Released, 2.0)
1 Personnel (e.g., key certificate holder personnel not present/available)
2 Equipment (e.g., equipment not present/available/in serviceable condition)
3 Event did not occur (e.g., did not observe an intoxicated passenger on the flight)
4 Time Constraints (e.g., resources/workload)
5 Weather (e.g., weather needed for observation not present or weather made observation impossible)
6 Other
Response Details List  Safety Ownership ED/EP/SP DCTs (Both OP and AW) (Released, 3.0)
1 Unaware of or ineffective safety policies or processes
2 Unaware of or ineffective safety related reporting tools
3 Unclear safety policy
4 Ineffective safety related training
5 Lack of safety culture
6 Unclear safety objectives
7 Other