Unscoped DCT Report (Standard DCT)


MLF Label: 4.3.3 (AW) MEL/CDL/NEF and Other Deferred Maintenance DCT Type: ED DCT Specialty: Airworthiness Peer Group: C - Part 135 (9 or Less Seats) DCT Revision: 12.0 on 12/29/20 (Released)
Summary Information

Purpose (Certificate Holder Responsibility): Determine if the CH will be able to; (1) Comply with regulations; (2) Operate aircraft per the approved MEL, CDL, NEF or Deferred Maintenance program.
Objective (FAA Responsibility): Determine if the CH will be able to; (1) Comply with regulations; (2) Operate aircraft per the approved MEL, CDL, NEF or Deferred Maintenance program.

The (AW) MEL/CDL/NEF and Other Deferred Maintenance Element includes the following System(s) and Subsystem(s)

Questions Answers Comments
  4.3.3 (AW) MEL/CDL/NEF and Other Deferred Maintenance
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 that an aircraft may not takeoff with inoperable instruments or equipment installed, unless the following conditions are met:

      #1 An approved MEL exists for that aircraft; and
      #2 OpSpecs authorize the use of the MEL?

REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3, 135.179(a)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:46:04 PM, 

QID:
 00005369, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
8   
Do the procedures include instructions, with the approved MEL, that:

      #1 Provide for the operation of the aircraft with certain instruments and equipment in an inoperable condition;
      #2 Specify that inoperable instruments and equipment will be recorded, and make the information available to the pilot; and
      #3 Require that the aircraft is operated under all applicable conditions and limitations contained in the MEL?

REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3, 135.179(a)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:46:04 PM, 

QID:
 00005372, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
9   
Do the procedures indicate that the following instruments and equipment may not be included in the MEL:

      #1 Instruments and equipment required for specific operations by 14 CFR Part 135;
      #2 Instruments and equipment required by an AD to be in operable condition unless the AD provides otherwise; and
      #3 Instruments and equipment required by the airworthiness requirements under which the airplane is type certificated and essential for safe operations?

REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3, 135.179(b)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:45:47 PM, 

QID:
 00005376, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
10   
Do the procedures specify that each person who takes corrective action by defering action concerning a reported or observed failure or malfunction will have made a record of that action in the aircraft's maintenance log?


REFERENCES: 135.65(c)

NOTE: Corrective action is the application of relief provided by MEL not actual repair of failed or malfunctioning equipment.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:46:04 PM, 

QID:
 00005382, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
11   
Do the procedures specify that the following MEL categories must be repaired within the time intervals as specified in the approved MEL:

      #1 Category A items - within the time specified in the approved MEL;
      #2 Category B items - within three days (72 hours);
      #3 Category C items - within 10 days (240 hours); and
      #4 Category D items - within 120 days (2,880 hours)?

REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:46:04 PM, 

QID:
 00005383, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
12   
Does the MEL management program include:

      #1 A method that provides for tracking the date, and when appropriate, the time an item was deferred and subsequently repaired;
      #2 Supervisory review of the number of deferred items per aircraft and a supervisory review of each deferred item to determine the reason for any delay in repair, length of delay, and the estimated date the item will be repaired;
      #3 A plan for coordinating parts, maintenance personnel, and aircraft at a specific time and place for repair;
      #4 A review of items deferred due to the unavailability of parts to ensure that a valid order exists with a firm delivery date;
      #5 A description of specific duties and responsibilities (identified by the job title) of personnel who manage the MEL management program; and
      #6 Procedures for controlling extensions to Category B and C items?

REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:45:48 PM, 

QID:
 00005388, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
13   
Do the procedures for approving extensions to MEL maximum repair intervals specify that:

      #1 An extension to the maximum repair intervals for Category A and D items is not authorized; and
      #2 The FAA must be notified within 24 hours of any approval to extend maximum repair intervals for Category B and C items?

REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3

NOTE: The operator is authorized to use a continuing authorization-single extension to approve a single, one-time extension to the repair interval for repair category B and C items, as specified in the FAA-approved MEL.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  4  6/25/2018 2:46:05 PM, 

QID:
 00005395, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
14   
Do the procedures specify that approved MELs can only be used for aircraft listed in OpSpec D095?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3, 135.179(a)

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  2  6/25/2018 2:46:05 PM, 

QID:
 00005398, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
15   
Do the procedures include instructions for revision to an Operator's MEL which specify that:

      #1 Revision may be initiated by either the Operator or the FAA;
      #2 Operator-initiated revisions may be equal to or more restrictive than the Master MEL; and
      #3 The revision will result in individual pages being added or deleted, and the table of contents page being revised and included?

REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  6/25/2018 2:45:48 PM, 

QID:
 00005399, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
16   
Do the procedures include instructions for when an AD may occasionally apply to an item of equipment that may be authorized to be inoperative under the MEL?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

NOTE: When an AD has been issued, the certificate holder must comply fully with the terms of the AD or an FAA-approved alternate method of compliance.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) AND ( OPSPEC = "D095" ) ,  Rev.  2  10/19/2016 10:06:46 AM, 

QID:
 00005403, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
17   
Do the procedures include requirements for repetitive inspections that ensure the continued airworthiness of other deferred maintenance items?


REFERENCES: AC-120-77, 43.13(a), 43.13(c), 43.16, 8900.1 Vol 6 Ch 2 Sec 4

NOTE: Deferred maintenance items include fuel leak classifications, interim repairs, and aircraft dents that were previously inspected, found to be within serviceable limits, and scheduled for resolution.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135" ) ,  Rev.  1  5/14/2014 10:51:14 AM, 

QID:
 00005404, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
18   
Do the procedures include the following for a NEF program:

      #1 A NEF list (or equivalent);
      #2 A process for evaluating an item in accordance with NEF;
      #3 Procedures for reporting to the responsible Flight Standards office; and
      #4 Policies and procedures for repair and/or replacement?

REFERENCES: 8900.1 Vol 4 Ch 4 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (OTHER CERTIFICATES OR APPROVALS = "NEF") ,  Rev.  4  6/24/2019 4:28:58 PM, 

QID:
 00005405, 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 (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
20   
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
21   
Do procedures require that inoperative STC-installed items are included in the MMEL prior to inclusion in the operator's MEL?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3, 135.179(a)

NOTE: Relief for inoperative items installed by STC requires coordination and approval by the Flight Operations Evaluation Board.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (OPSPEC = "D095") ,  Rev.  1  6/25/2018 2:46:09 PM, 

QID:
 00052225, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
22   
Do the procedures ensure all penalties, limitation, and restrictions associated with a CDL item are properly addressed?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 1

NOTE: These procedures can be combined with the operator's approved MEL management program procedures.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "135") AND (OTHER CERTIFICATES OR APPROVALS = "CDL") ,  Rev.  1  6/24/2019 4:28:58 PM, 

QID:
 00055092, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Observable
  Not Applicable
23   
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
24   
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
25   
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
26   
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
27   
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
28   
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  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