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Module 7 > 7.20: Maintenance Procedures > Flashcards

7.20: Maintenance Procedures Flashcards

1
Q

Who has to provide operators with an AMP (Approved Maintenance Plan)

A

The manufacturer which is approved by the national authorities

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2
Q

The aircraft AMP is vital for maintaining what and obtaining what?

A

The safe and economic operations and is required to obtain a Type Certificate

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3
Q

Who customises AMPs and who gives approval?

A

Operators, approved by the national authority

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4
Q

What type of document is the MPD?

A

A live document that can be updated from manufacturers and aircraft operators

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5
Q

What is an Industry Steering Committee (ISC)?

A
  • Consists of representatives of the aircraft operators and the aircraft manufacturer
  • receive and review all information relating to the maintenance of an aircraft
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6
Q

Any change or modification to the operators own maintenance programme must be approved by who?

A

It’s national authority (NAA and EASA)

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7
Q

Who prepares and issues the work cards, as part of a maintenance package that is carried out during the scheduled maintenance of the aircraft?

A

The planning department of the operator

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8
Q

What does MSG stand for?

A

Maintenance Steering Group

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9
Q

MSG is a working group formed by members of?

A

The ISC (Industry Steering Committee)

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10
Q

Who generate proposed scheduled maintenance tasks, and who do they present them to?

A

The MSG generate proposed scheduled maintenance tasks, and then present them to the ISC for approval

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11
Q

Who generates proposed scheduled maintenance tasks, and who do they present them to?

A

The MSG generate proposed scheduled maintenance tasks, and then present them to the ISC for approval

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12
Q

The MSG-3 process details which tasks?

A

-Lubrication
-Visual inspections
-Operational or functional checks, restoration, and discarding
-Replacement of life-limited parts

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13
Q

When is redesigning an item mandatory?

A

If the MSG-3 analysis shows that a certain functional failure would jeopardise operational safety

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14
Q

What does CMR stand for?

A

Certification Maintenance Requirement

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15
Q

A CMR is a required scheduled maintenance task established during..?

A

The design certification of the aircraft systems as an operating limitation of the Type Certificate (TC) or supplementary TC

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16
Q

How do you identify a CMR?

A

With a hash sign (#) placed under the frequency of the specific task

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17
Q

What are the approved documents for the aircraft type?

A

Airworthiness Limitations (AWL) and Certification Maintenance Requirements.

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18
Q

What are the 2 types of CMR tasks?

A

One Star (CMR*)
Two Star (CMR**)

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19
Q

Describe the One star CMR (CMR*)

A

These tasks and intervals are mandatory and cannot be changed or deleted without the approval of the State of Design NAA

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20
Q

Describe the Two star CMR (CMR**)

A

Changes to the task intervals must be supported by an approved procedure and monitoring programmes

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21
Q

What are AirWorthiness Limitations (AWL) ?

A
  • Items that the certification process has defined as critical from a fatigue or damage tolerance assessment.
  • The inspection frequency of such items is mandatory, should be treated the same as a CMR* task
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22
Q

What is the check cycle?

A

A schedule of maintenance checks designed to ensure the continuing airworthiness of the aircraft

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23
Q

Explain the cycles and flight hours of short-haul and long-haul aircraft.

A

A short-haul aircraft completes several short flights in a day, so it completes many cycles as well as a lot of flying hours. A long-haul aircraft may fly one or two 8–10 hour sectors, so it completes few cycles but many flying hours.

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24
Q

What is a transit check or pre-flight check?

A

These checks are performed on the ramp before every flight.

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25
Q

What are Daily, weekly, and monthly checks?

A

These checks are performed at the specified interval and each is a little more detailed than the previous one

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26
Q

What is the DFDR

A

Digital Flight Data Recorder

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27
Q

How often are A-checks carried out?

A

Approximately every 500-800 flight hours.

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28
Q

How often are C-Checks carried out?

A

Approximately every 15-24 months, or at a specific amount of flying hours as defined by the manufacturer

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29
Q

What is the most comprehensive and demanding check for an aircraft?

A

D-Check

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30
Q

When is a D-Check carried out?

A

Approximately 5-6 years

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31
Q

What are the two types of modification?

A

Minor and Major

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32
Q

What is a Minor modification defined as?

A

“one that has no appreciable effect on the mass, balance, structural strength reliability, operational characteristics, noise, fuel venting, exhaust emissions, or other characteristics affecting airworthiness”

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33
Q

What is a major modification defined as?

A

All other modifications which are not classed as minor

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34
Q

Does a minor change affect the airworthiness of an aircraft?

A

No

35
Q

What book are modification records kept in?

A

CAP395

36
Q

When are Airworthiness Directives released by EASA?

A

When it is decided that a particular maintenance action is required to ensure the continued airworthiness of a particular aircraft type

37
Q

If the AD action is not carried out on time, what will happen?

A

The aircraft must be removed from service until the action is carried out. In some circumstances an extension to this time limit can be granted

38
Q

What is an EAD

A

Emergency Airworthiness Directive (Urgent)

39
Q

What is the policy of EASA with regards to Non-EU members publishing an AD?

A

The policy of EASA is to automatically endorse these AD and distribute them as necessary.

40
Q

What is an SB?

A

Service Bulletin, it is sent to operators to inform them of concerns relating to a system or element affecting aircraft safety

41
Q

Every organisation which uses a parts store, must have it approved by who?

A

The National Aviation Authority (NAA)

42
Q

Where are newly received parts/materials held?

A

In the quarantine store

43
Q

Where do parts/materials go after quarantine, once they have certification documents?

A

They go to the bonded store, where they are held until they need to be used

44
Q

What is the purpose of an SRN (stores release notes)

A

To identify the item, and to certify its quality

45
Q

What must the SRN contain?

A

-The item part number & name
-The serial/batch number
-The stores release note number
-Any previous hours run, hours flown, pressure cycles, etc
-Modification state

46
Q

What can EASA Form 1 be used for?

A

For the release of parts, materials, and components, but not for an aircraft.

47
Q

What must EASA Form 1 NOT be used for?

A

Defective parts

48
Q

A signed declaration is required to release an aircraft back to service, what is this declaration called?

A

A Certificate of Release to Service (CRS)

49
Q

Certifying maintenance personnel can issue/sign the CRS when..?

A

They are satisfied that all required maintenance has been successfully carried out

50
Q

Certifying maintenance personnel are usually designated as?

A

Licensed Aircraft Engineers (LAE), with the appropriate certifying authorisations

51
Q

What is the minimum age for an LAE with CRS capabilities?

A

21 years old

52
Q

LAE must be able to produce their certificate of authorisation within how many hours of it being requested by an authorised person.

A

24 hours

53
Q

Where can regulations governing an aircraft’s release to service be found?

A

The Implementing Rules (IR) of Regulation (EU No 1321/2014, Part-M - Continuing Airworthiness and Part-145 – Approved Maintenance Organisations)

54
Q

What happens when an aircraft is grounded at a location where no approved Part-145 maintenance organisation or certifying staff are available?

A

The owner can authorise any person holding the proper qualifications, with not less than three years of appropriate maintenance experience to perform maintenance

55
Q

Commission Regulation (EU) No 965/2012, is currently referred to by operators of commercial air transportation. What does the regulation describe?

A

The legal requirements for operator certification, crew licensing, mass and balance, instruments, data and equipment

56
Q

What provides a complete maintenance history of the aircraft and is kept for the life of the aircraft?

A

The technical logbook

57
Q

Which document lists the equipment that can be temporarily inoperative, subject to certain conditions, whilst maintaining an acceptable level of safety and airworthiness?

A

The Master Minimum Equipment List (MMEL)

58
Q

What is the Minimum Equipment list (MEL) ?

A

An approved document prepared by the aircraft operator. It tends to be more restrictive than the MMEL and takes into account the relevant operational and maintenance conditions they operate under

59
Q

Inoperative items or components must be rectified at or before the rectification intervals established by which letters?

A

-Category A
-Category B
-Category C
-Category D

60
Q

Inoperative items or components must be rectified at or before the rectification intervals established by which letters?

A

-Category A
-Category B
-Category C
-Category D

61
Q

No standard interval is specified, in which category?

A

Category A

62
Q

Items in Category B must be repaired within..?

A

Three consecutive calendar days (excluding the day of discovery)

63
Q

Items within Category C must be repaired within..?

A

Ten consecutive calendar days (excluding the day of discovery)

64
Q

Items in Category D must be repaired within..?

A

120 consecutive calendar days (excluding the day of discovery)

65
Q

Items in Category D must be repaired within..?

A

120 consecutive calendar days (excluding the day of discovery)

66
Q

What is Quality Control (QC)

A

A process that aims for and ensures that a consistently high standard of product or service is provided

67
Q

What is Quality Management (QM)

A

The act of overseeing all activities and tasks, needed to maintain the desired high level of excellence

68
Q

Who is responsible for quality management?

A

The quality assurance department

69
Q

The quality assurance department makes sure the maintenance organisation is in compliance with..?

A

All the required airworthiness regulatory requirements

70
Q

The quality management responsibilities can be divided into what 3 areas?

A

Quality Assurance (QA)
Quality Control (QC)
Quality Improvement (QI)

71
Q

Any approved Part-145 organisation has a quality system consisting of what 2 parts?

A

-Independent audits
-A quality feedback reporting system

72
Q

What is the word “Check” used to describe, with regards to Maintenance Inspection?

A

A task to ensure that a condition conforms to prescribed limits

73
Q

What is the word “Inspect” used to describe, in regards to Maintenance Inspection?

A

A task which requires a degree of judgement

74
Q

What is a Scheduled Inspection?

A

Any inspection specified in the Approved Maintenance Programme (AMP) for an aircraft

75
Q

What is a Non-Scheduled Inspection?

A

Special checks/additional work requirements. This can include an inspection or check specified to satisfy a unique requirement, not normally repeated

76
Q

What is a Routine Inspection/Check

A

Any inspection or check specified in the AMP and forming a part of a maintenance check

77
Q

What is a Transit or Ramp Check?

A

A routine inspection or check carried out during turn-around or overnight stop, normally in the airport terminal area

78
Q

What is a Mandatory Inspection?

A

Mandatory inspections are inspections classified by the NAA as essential to airworthiness

79
Q

What is a Supplemental Structural Inspection (SSI)

A

A mandatory sampling inspection to determine structural fatigue. Introduced at a threshold in the life cycle of high life aircraft in addition to Routine Inspections and RSI

80
Q

What is a Corrosion Prevention & Control Programme (CPCP) Inspection?

A

An inspection to detect structural corrosion and to determine requirements for the mandatory corrosion control programme

81
Q

What are typical unscheduled maintenance inspections and checks?

A

-Corrosion treatment
-Adjustment or replacement of components that are not performing to the specified standards
-Repair of structural cracks and skin deformations that are out of allowable limits in pressurised areas

82
Q

What are Abnormal inspections?

A

-Heavy or overweight landings
-Flight into severe turbulence
-Lightning strike
-Bird strike

83
Q

What are life limited parts or components?

A

Parts that are not damage tolerant.

84
Q

What is Safe Life Airworthiness Limitations Items?

A

A list of items and the time before which they need to be replaced (approved by EASA)

Module 7 (13 decks)

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