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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
What are Daily, weekly, and monthly checks?
These checks are performed at the specified interval and each is a little more detailed than the previous one
26
What is the DFDR
Digital Flight Data Recorder
27
How often are A-checks carried out?
Approximately every 500-800 flight hours.
28
How often are C-Checks carried out?
Approximately every 15-24 months, or at a specific amount of flying hours as defined by the manufacturer
29
What is the most comprehensive and demanding check for an aircraft?
D-Check
30
When is a D-Check carried out?
Approximately 5-6 years
31
What are the two types of modification?
Minor and Major
32
What is a Minor modification defined as?
“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”
33
What is a major modification defined as?
All other modifications which are not classed as minor
34
Does a minor change affect the airworthiness of an aircraft?
No
35
What book are modification records kept in?
CAP395
36
When are Airworthiness Directives released by EASA?
When it is decided that a particular maintenance action is required to ensure the continued airworthiness of a particular aircraft type
37
If the AD action is not carried out on time, what will happen?
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
What is an EAD
Emergency Airworthiness Directive (Urgent)
39
What is the policy of EASA with regards to Non-EU members publishing an AD?
The policy of EASA is to automatically endorse these AD and distribute them as necessary.
40
What is an SB?
Service Bulletin, it is sent to operators to inform them of concerns relating to a system or element affecting aircraft safety
41
Every organisation which uses a parts store, must have it approved by who?
The National Aviation Authority (NAA)
42
Where are newly received parts/materials held?
In the quarantine store
43
Where do parts/materials go after quarantine, once they have certification documents?
They go to the bonded store, where they are held until they need to be used
44
What is the purpose of an SRN (stores release notes)
To identify the item, and to certify its quality
45
What must the SRN contain?
-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
What can EASA Form 1 be used for?
For the release of parts, materials, and components, but not for an aircraft.
47
What must EASA Form 1 NOT be used for?
Defective parts
48
A signed declaration is required to release an aircraft back to service, what is this declaration called?
A Certificate of Release to Service (CRS)
49
Certifying maintenance personnel can issue/sign the CRS when..?
They are satisfied that all required maintenance has been successfully carried out
50
Certifying maintenance personnel are usually designated as?
Licensed Aircraft Engineers (LAE), with the appropriate certifying authorisations
51
What is the minimum age for an LAE with CRS capabilities?
21 years old
52
LAE must be able to produce their certificate of authorisation within how many hours of it being requested by an authorised person.
24 hours
53
Where can regulations governing an aircraft’s release to service be found?
The Implementing Rules (IR) of Regulation (EU No 1321/2014, Part-M - Continuing Airworthiness and Part-145 – Approved Maintenance Organisations)
54
What happens when an aircraft is grounded at a location where no approved Part-145 maintenance organisation or certifying staff are available?
The owner can authorise any person holding the proper qualifications, with not less than three years of appropriate maintenance experience to perform maintenance
55
Commission Regulation (EU) No 965/2012, is currently referred to by operators of commercial air transportation. What does the regulation describe?
The legal requirements for operator certification, crew licensing, mass and balance, instruments, data and equipment
56
What provides a complete maintenance history of the aircraft and is kept for the life of the aircraft?
The technical logbook
57
Which document lists the equipment that can be temporarily inoperative, subject to certain conditions, whilst maintaining an acceptable level of safety and airworthiness?
The Master Minimum Equipment List (MMEL)
58
What is the Minimum Equipment list (MEL) ?
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
Inoperative items or components must be rectified at or before the rectification intervals established by which letters?
-Category A -Category B -Category C -Category D
60
Inoperative items or components must be rectified at or before the rectification intervals established by which letters?
-Category A -Category B -Category C -Category D
61
No standard interval is specified, in which category?
Category A
62
Items in Category B must be repaired within..?
Three consecutive calendar days (excluding the day of discovery)
63
Items within Category C must be repaired within..?
Ten consecutive calendar days (excluding the day of discovery)
64
Items in Category D must be repaired within..?
120 consecutive calendar days (excluding the day of discovery)
65
Items in Category D must be repaired within..?
120 consecutive calendar days (excluding the day of discovery)
66
What is Quality Control (QC)
A process that aims for and ensures that a consistently high standard of product or service is provided
67
What is Quality Management (QM)
The act of overseeing all activities and tasks, needed to maintain the desired high level of excellence
68
Who is responsible for quality management?
The quality assurance department
69
The quality assurance department makes sure the maintenance organisation is in compliance with..?
All the required airworthiness regulatory requirements
70
The quality management responsibilities can be divided into what 3 areas?
Quality Assurance (QA) Quality Control (QC) Quality Improvement (QI)
71
Any approved Part-145 organisation has a quality system consisting of what 2 parts?
-Independent audits -A quality feedback reporting system
72
What is the word “Check” used to describe, with regards to Maintenance Inspection?
A task to ensure that a condition conforms to prescribed limits
73
What is the word “Inspect” used to describe, in regards to Maintenance Inspection?
A task which requires a degree of judgement
74
What is a Scheduled Inspection?
Any inspection specified in the Approved Maintenance Programme (AMP) for an aircraft
75
What is a Non-Scheduled Inspection?
Special checks/additional work requirements. This can include an inspection or check specified to satisfy a unique requirement, not normally repeated
76
What is a Routine Inspection/Check
Any inspection or check specified in the AMP and forming a part of a maintenance check
77
What is a Transit or Ramp Check?
A routine inspection or check carried out during turn-around or overnight stop, normally in the airport terminal area
78
What is a Mandatory Inspection?
Mandatory inspections are inspections classified by the NAA as essential to airworthiness
79
What is a Supplemental Structural Inspection (SSI)
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
What is a Corrosion Prevention & Control Programme (CPCP) Inspection?
An inspection to detect structural corrosion and to determine requirements for the mandatory corrosion control programme
81
What are typical unscheduled maintenance inspections and checks?
-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
What are Abnormal inspections?
-Heavy or overweight landings -Flight into severe turbulence -Lightning strike -Bird strike
83
What are life limited parts or components?
Parts that are not damage tolerant.
84
What is Safe Life Airworthiness Limitations Items?
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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