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: A - Part 121 Air Operators DCT Revision: 16.0 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: 5.21, 5.23(a), 5.25(a), 5.25(b), 5.25(c)

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

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051915, Response Details: Responsibility ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
2   
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: 5.23(a), 5.23(b), 5.25(c)

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

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051916, Response Details: Authority ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
3   
Do process measurement(s) exist to evaluate the performance of this element and implement corrective action if necessary?


REFERENCES: 5.71, 5.73, 5.75

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

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:48 PM, 

QID:
 00051917, Response Details: Process Measurement ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
4   
Does the manual require an airplane with inoperable equipment to meet the conditions of 121.628(a) prior to flight?


REFERENCES: D095, 121.628(a)

NOTE: Conditions include an approved MEL exists for that airplane; its use is authorized by operations specifications; the flight crew shall have access to the MEL and records identifying inoperable equipment; and the airplane is operated under all applicable conditions and limitations in the MEL and operations specifications.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D095") ,  Rev.  4  12/29/2020 11:18:42 AM, 

QID:
 00005333, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
5   
Does the manual require that certain instruments and equipment identified in 121.368(b) may not be included in the Master Equipment List?


REFERENCES: D095, 121.135(a)

NOTE: Instruments and equipment that may not be included are those that are required by the airworthiness requirements under which the airplane is type certificated and essential for safe operations, required by an airworthiness directive to be in operable condition unless the airworthiness directive provides otherwise, or required for specific operations by regulation.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  2  12/29/2020 11:18:42 AM, 

QID:
 00005340, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
6   
Does the manual contain procedures for advising flight crewmembers and maintenance personnel of an airplane's status with current CDL and/or MEL issues and the conditions and limitations that apply?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 1, 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) ,  Rev.  4  12/29/2020 11:18:42 AM, 

QID:
 00005344, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
7   
Do the procedures require that MEL items must be repaired within the amount of time specified by their associated repair category as identified in MMEL Policy Letter 25?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3

NOTE: Category A time limits are specified in the approved MEL; Category B limit is 3 days (72 hours); Category C limit is 10 days (240 hours); and Category D is 120 days (2,880 hours). Refer to PL-025 for additional guidance.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D095") ,  Rev.  4  12/29/2020 11:18:42 AM, 

QID:
 00005346, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
8   
Does the MEL management program contain procedures to meet the requirements of Operation Specification D095?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3

NOTE: D095 requirements include a method for tracking with supervisory review of the number of deferred items per aircraft and delays in repair, plan for repairs, review of items deferred because of the unavailability of parts, specific duties and responsibilities of MEL management personnel, and procedures for controlling extensions.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D095") ,  Rev.  4  12/29/2020 11:18:42 AM, 

QID:
 00005351, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
9   
Do the Certificate Holder’s procedures prohibit the extension of repair category A or D items?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3, 8900.1 Vol 4 Ch 4 Sec 4

NOTE: A certificate holder is prohibited from approving an extension to repair category A or D items. Extension approval of category A or D items may be requested through the responsible Flight Standards office to the Air Transportation Division and Aircraft Maintenance Division.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D095") ,  Rev.  5  12/29/2020 11:18:42 AM, 

QID:
 00005357, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
10   
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, 8900.1 Vol 3 Ch 18 Sec 6

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  3  12/29/2020 11:18:43 AM, 

QID:
 00005361, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
11   
Do the procedures specify requirements for repetitive inspections that ensure the continued airworthiness of deferred maintenance items?


REFERENCES: 8900.1 Vol 6 Ch 2 Sec 4

NOTE: Other deferred items may include previously-inspected fuel leak classifications, interim repairs, and aircraft dents found to be within serviceable limits and scheduled for resolution.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) ,  Rev.  4  12/29/2020 11:18:46 AM, 

QID:
 00005362, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
12   
Do the procedures for the NEF program include an NEF list (or equivalent); a process for evaluating an item in accordance with NEF reequirments; and reporting procedures to the responsible Flight Standards office?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  5  12/29/2020 11:18:43 AM, 

QID:
 00005363, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
13   
Does the MEL management program include procedures to address Administrative Control Items (ACI)?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" OR "135") AND (OPSPEC = "D095") ,  Rev.  1  9/19/2017 4:09:49 PM, 

QID:
 00051668, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
14   
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 = "121") ,  Rev.  1  3/13/2018 11:30:19 AM, 

QID:
 00051912, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
15   
Do procedures require that inoperative STC-installed items are included in the MMEL prior to inclusion in the certificate holder's MEL?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

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 = "121") AND (OPSPEC = "D095") ,  Rev.  4  12/29/2020 11:18:43 AM, 

QID:
 00052226, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
16   
Do procedures exist in detail that address MEL revisions and/or changes?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

NOTE: Changes to the MEL might result from FAA initiated changes, MMEL, Policy Letter, and Global Changes.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  2  12/29/2020 11:18:41 AM, 

QID:
 00055039, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
17   
Does the certificate holder's manual include instructions governing CDL usage?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 1

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  1  12/29/2020 11:18:47 AM, 

QID:
 00056765, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
18   
Does the manual contain procedures to ensure that all penalties, limitations, and restrictions associated with a CDL item are properly applied?


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 = "121" ,  Rev.  1  12/29/2020 11:18:45 AM, 

QID:
 00056766, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
19   
Does the certificate holders’s NEF Program include only those items as defined in MMEL Policy Letter 25?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 4

NOTE: NEF Items are those items installed on the aircraft as part of the original type certification (TC), STC, engineering order, or other form of alteration that have no effect on the safe operation of flight and would not be required by the applicable certification rules or operational rules and not already identified in the MEL or CDL. An NEF item should not be used as an administrative control item (ACI).

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00056851, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
20   
Does the certificate holder’s NEF procedures prohibit the deferral of items within serviceable limits?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00056852, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
21   
Does the certificate holder’s MEL contain the required NEF MEL Proviso for an FAA-Approved NEF Program?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00056853, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
22   
Does the certificate holder’s MEL contain applicable definitions as identified in MMEL Policy Letter 25?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00057027, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
23   
Does the MEL adhere to MMEL Format Specifications identified in MMEL Policy Letter 31?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

NOTE: An operator's MEL may differ in format from the MMEL, but cannot be less restrictive than the MMEL.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  1  12/29/2020 11:18:47 AM, 

QID:
 00057028, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
24   
Does the MEL contain the standard MMEL preamble as identified in MMEL Policy Letter 34, and does the MEL content adhere to the preamble requirements?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  1  12/29/2020 11:18:47 AM, 

QID:
 00057029, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
25   
Does the MEL adhere to (not deviate from) Airplane Flight Manual/Rotorcraft Flight Manual limitations and emergency procedures, Airworthiness Directives, and the Type Certificate Data Sheet applicable to the aircraft M/M/S?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 3

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  FAR PART = "121" ,  Rev.  1  12/29/2020 11:18:47 AM, 

QID:
 00057030, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
26   
Do the procedures for the NEF program include documentation of discrepancies and deferrals, repair Intervals, appropriate (M) and/or (O) procedures, a method of tracking NEF items, and repair/replacement policies and procedures?


REFERENCES: 8900.1 Vol 4 Ch 4 Sec 4

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121" ) AND ( OPSPEC = "D095" ) ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00057031, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
27   
Do the Certificate Holder’s procedures specify requirements for approving single one-time extensions of repair category B or C items?


REFERENCES: D095, 8900.1 Vol 4 Ch 4 Sec 3, 8900.1 Vol 4 Ch 4 Sec 4

NOTE: The FAA must be notified within 24 hours of any single one-time extension approval, and any additional extensions beyond a single extension must be approved by the FAA prior to the expiration of the current extension time period.

Safety Attribute: Procedures,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") AND (OPSPEC = "D095") ,  Rev.  1  12/29/2020 11:18:46 AM, 

QID:
 00057032, Response Details: EP & ED DCTs (Both OP and AW),  Status: Released

  Yes
  No
  Not Applicable
28   
Do controls exist within this element that ensure risks are reduced to an acceptable level?


REFERENCES: 5.53, 5.55, 5.51

Safety Attribute: Controls,  Question Type: Output Validation,  

Scoping Attribute:
  (FAR PART = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051913, Response Details: Controls ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
29   
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 = "121") ,  Rev.  2  3/8/2019 12:47:45 PM, 

QID:
 00051914, Response Details: Interfaces ED/EP/SP DCTs (Both OP and AW),  Status: Released

  Yes
  No
30   
Does the process design require that individuals understand their safety role and how it contributes 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  3/8/2019 12:47:46 PM, 

QID:
 00051918, 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