Unscoped DCT Report (Standard DCT)


MLF Label: 4.2.1 (AW) Maintenance/Inspection Requirements DCT Type: ED DCT Specialty: Airworthiness Peer Group: D - Part 135 (9 or Less Seats/Single Pilot) DCT Revision: 15.0 on 12/29/20 (Released)
Summary Information

Purpose (Certificate Holder Responsibility): To maintain aircraft in a safe and airworthy condition.
Objective (FAA Responsibility): Determine if the CH will be able to; (1) Comply with regulations; (2) Maintain aircraft in a safe and airworthy condition.

The (AW) Maintenance/Inspection Requirements Element includes the following System(s) and Subsystem(s)

Questions Answers Comments
  4.2.1 (AW) Maintenance/Inspection Requirements
1   
Does the process design ensure the individual with responsibility provides both financial and human resources for the safety and quality performance of this element?


REFERENCES: AC-120-92, 8900.1 Vol 17 Ch 3 Sec 3

Safety Attribute: Management Responsibility,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051929, Response Details: Responsibility ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
2   
Does the process design ensure the individual with responsibility provides both financial and human resources for the safety and quality performance of this element?


Safety Attribute: Management Responsibility,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051943, Response Details: Responsibility ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
3   
Is the person with authority clearly identifiable, qualified and knowledgeable to effectively plan, direct and control resources, change procedures and make key determinations including safety risk acceptance decisions for this element?


REFERENCES: AC-120-92, 8900.1 Vol 17 Ch 3 Sec 3

Safety Attribute: Management Authority,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051930, Response Details: Authority ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
4   
Is the person with authority clearly identifiable, qualified and knowledgeable to effectively plan, direct and control resources, change procedures and make key determinations including safety risk acceptance decisions for this element?


Safety Attribute: Management Authority,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051944, Response Details: Authority ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
5   
Do process measurement(s) exist to evaluate the performance of this element and implement corrective action if necessary?


REFERENCES: AC-120-92, 8900.1 Vol 17 Ch 3 Sec 3

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

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051931, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
6   
Do process measurement(s) exist to evaluate the performance of this element and implement corrective action if necessary?


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

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051945, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
7   
Do the procedures specify a pilot is authorized to perform specific preventive maintenance items provided:

      #1 The items of preventive maintenance are a result of a known or suspected mechanical difficulty or malfunction that occurred enroute to or in a remote area;
      #2 The pilot has satisfactorily completed an approved training program and is authorized in writing by the Operator for each item of preventive maintenance that the pilot is authorized to perform;
      #3 There is no certificated mechanic available to perform preventive maintenance;
      #4 The Operator has procedures to evaluate the accomplishment of a preventive maintenance item that requires a decision concerning the airworthiness of the rotorcraft; and
      #5 The items of preventive maintenance authorized by this section are those listed in paragraph (c) of 43.3(h)(5)?

REFERENCES: 43.3(h)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( A/C CATEGORY = "ROTORCRAFT" ) ,  Rev.  2  7/17/2014 4:32:02 PM, 

QID:
 00004481, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
8   
Do the procedures specify a pilot is authorized to perform the removal and reinstallation of approved aircraft cabin seats, approved cabin-mounted stretchers, and when no tools are required, approved cabin-mounted medical oxygen bottles, provided:

      #1 The pilot has satisfactorily completed an approved training program and is authorized in writing by the certificate holder to perform each task; and
      #2 The certificate holder has written procedures available to the pilot to evaluate the accomplishment of the task?

REFERENCES: 135.411(a), 43.3(i)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND ((OPSPEC = "D101") OR (OPSPEC = "D102") OR (OPSPEC = "D104")) ,  Rev.  4  1/4/2018 4:25:43 PM, 

QID:
 00004487, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
9   
Does the annual and 100-hour checklist contain at least the following details:

      #1 Remove or open all necessary inspection plates, access doors, fairing, and cowling; and
      #2 Thoroughly clean the aircraft and aircraft engine?

REFERENCES: 43 Appendix D, 43.15(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "100HR/ANNUAL") ,  Rev.  3  1/4/2018 4:25:44 PM, 

QID:
 00004575, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
10   
Does the annual and 100-hour checklist contain at least the scope and detail of the components contained in Part 43 Appendix D?


REFERENCES: 43 Appendix D, 43.15(c)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "100HR/ANNUAL") ,  Rev.  2  1/4/2018 4:25:45 PM, 

QID:
 00004578, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
11   
Do the procedures specify that the certificate holder must demonstrate to the Administrator that the maintenance of age-sensitive parts and components of the airplane have been adequate and timely enough to ensure the highest degree of safety?


REFERENCES: AC-120-94, 8900.1 Vol 6 Ch 11 Sec 14, 135.422(b)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  5  9/28/2020 3:04:27 PM, 

QID:
 00007340, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
12   
Do the procedures specify that the certificate holder must demonstrate to the Administrator that the maintenance of age-sensitive parts and components of the airplane have been adequate and timely enough to ensure the highest degree of safety?


REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(b)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  6  9/28/2020 3:04:27 PM, 

QID:
 00007341, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
13   
Do the procedures specify that the certificate holder will notify the Administrator at least 60 days before the date on which the airplane and airplane records will be made available for the aging inspection and records review?


REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(d)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  5  9/28/2020 3:04:27 PM, 

QID:
 00007342, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
14   
Do the procedures specify that the certificate holder will make available to the Administrator each airplane with records containing the following information:

      #1 Total years in service of the airplane;
      #2 Total time in service of the airframe; and
      #3 Date of the last inspection and records review required by this section?

REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(d)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  7  9/28/2020 3:04:27 PM, 

QID:
 00007343, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
15   
Do the procedures specify that the certificate holder will make available to the Administrator each airplane with records containing the following information:

      #1 Current status of LLPs of the airframe;
      #2 Time since the last overhaul of all structural components required to be overhauled on a specific time basis;
      #3 Current inspection status of the airplane, including the time since the last inspection 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 recurring action, the time, and date when the next action is required;
      #5 A list of major structural alterations; and
      #6 A report of major structural repairs and the current inspection status for those repairs?

REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(d)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  7  9/28/2020 3:04:27 PM, 

QID:
 00007347, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
16   
Do the procedures specify that the certificate holder will make available to the Administrator each airplane with records containing the following information:

      #1 Total years in service of the airplane;
      #2 Total time in service of the airframe; and
      #3 Date of the last inspection and records review required by this section?

REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(d)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  7  9/28/2020 3:04:28 PM, 

QID:
 00007362, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
17   
Do the procedures specify that the certificate holder will make available to the Administrator each airplane with records containing the following information:

      #1 Current status of LLPs of the airframe;
      #2 Time since the last overhaul of all structural components required to be overhauled on a specific time basis;
      #3 Current inspection status of the airplane, including the time since the last inspection 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 recurring action, the time, and date when the next action is required;
      #5 A list of major structural alterations; and
      #6 A report of major structural repairs and the current inspection status for those repairs?

REFERENCES: 8900.1 Vol 6 Ch 11 Sec 14, 135.422(d)

NOTE: An exception exists for operations within the state of Alaska.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (MX PROGRAMS = "AGING AIRPLANE") ,  Rev.  7  9/28/2020 3:04:28 PM, 

QID:
 00007366, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
18   
Do procedures exist in enough detail to meet the regulatory and guidance requirements for this element to produce the intended results?


Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051926, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
19   
Do procedures exist in enough detail to meet the regulatory and guidance requirements for this element to produce the intended results?


Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:47 PM, 

QID:
 00051940, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
20   
Do controls exist within this element that ensure risks are reduced to an acceptable level?


REFERENCES: AC-120-92, 8900.1 Vol 17 Ch 3 Sec 3

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051927, Response Details: Controls ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
21   
Do controls exist within this element that ensure risks are reduced to an acceptable level?


Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:47 PM, 

QID:
 00051941, Response Details: Controls ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
22   
Does the certificate holder have a method to evaluate the impact of changes on related processes (interfaces) for this element?


Safety Attribute: Interfaces,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051928, Response Details: Interfaces ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
23   
Does the certificate holder have a method to evaluate the impact of changes on related processes (interfaces) for this element?


Safety Attribute: Interfaces,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:47 PM, 

QID:
 00051942, Response Details: Interfaces ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
24   
Does the process design require that individuals understand their safety role and how it contributes to the safety performance of this element?


REFERENCES: AC-120-92, 8900.1 Vol 17 Ch 3 Sec 3

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

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:46 PM, 

QID:
 00051932, Response Details: Safety Ownership ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
25   
Does the process design require that individuals understand their safety role and how it contributes to the safety performance of this element?


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

Scoping Attribute:
  (FAR PART = "135" OR "145" OR "141" OR "142" OR "147") AND NOT (SAFETY PROGRAMS = "SMSVP") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051946, Response Details: Safety Ownership ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No


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  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