10.7

Question 1

Maintenance programmes and schedules outlines a list of tasks with intervals in terms of what?

Answer 1

-Flight days
-Calendar days
-Flight cycles

Question 2

Maintenance program intervals are determined based on what?

Answer 2

-Hard time
-On-condtion
-Condtion monitoring criteria

Question 3

Operator schedules are either?

Answer 3

-Block (pyramid)
-Equalised (progressive)

Question 4

What is block maintenance?

Answer 4

When tasks are grouped up and multiplied in intervals. It is used for long haul carriers when the aircraft is on ground

Question 5

What are the benefits of block (pyramid)?

Answer 5

-Consistent preparation
-Relative stable workload
-Fixed content
-Efficient planning and control

Question 6

What are the negatives of block (pyramid)?

Answer 6

-Large gaps between checks leading to uneven workloads
-Aircraft might be out of service

Question 7

What is equalised maintenance?

Answer 7

Shorter and equally sized checks done frequently. It is suitable for short haul, where minimal downtime is required, so overnight

Question 8

What are benefits of equalised system?

Answer 8

-More consistent workload
-Balance of resources

Question 9

What are the disadvantages of equalised system?

Answer 9

-Additional costs
-Challenges of facing emergent work

Question 10

What is the A-check?

Answer 10

-Every 500-800 flight hours
-200-400 flight cycles
-20-50 man hours
-Done overnight
-Can be delayed by the operator if predetermined conditions are met

Question 11

What is the B-check?

Answer 11

-Every 4-6 months
-150 man hours

Question 12

What is the C-check?

Answer 12

-Every 20 to 24 months
-1-2 weeks (6000) man hours

Question 13

What is the D check?

Answer 13

-Heavy maintenance visit
-Every 5 years
-Requires strip and inspection
-Requires two months (50000 man hours)
-Average aircraft does 2-3 of these in their lifetime

Question 14

What are SB’s?

Answer 14

Improvements that are suggested and circulated to operators. It is under the discretion of operators to use them or not

Question 15

What must SB’s include on compliance recommendation?

Answer 15

-The SB’s must be accomplished
-SB’s recommended to be accomplished to avoid significant disruptions
-SB’s introduce improvements
-SB’s for convenience

Question 16

Can an SB be cancelled?

Answer 16

No

Question 17

Can a person operate an aircraft with an AD?

Answer 17

No unless iaw the AD

Question 18

What must SB’s not cover?

Answer 18

-Routine recommended inspections/checks
-Standard repairs
-Revisions to maintenance practices or workshop procedures

Question 19

What are alert SB’s?

Answer 19

-Matters requiring urgent attention
-Limited generally to items affecting safety
-Extreme urgency with compliance
-Must contain an SB number

Question 20

What are standard SB’s?

Answer 20

Issued when an alert SB is not required

Question 21

What are Engine Conversion SB’s?

Answer 21

Issues with the information necessary to convert engine models from one designation level to another

Question 22

What can SB’s be written for?

Answer 22

In-service units or equipment

Question 23

What is included in the SB title?

Answer 23

Contains the chapter name, keyword and a brief statement of work involved

Question 24

What does the body of an SB contain?

Answer 24

-Planning information
-Material information
-Accomplishment instructions and optional appendices

Question 25

What are SIL?

Answer 25

Service Information Letters are used by manufacturers to detail operators advisory letters of actions used to enhance safety and reliability

Question 26

The action to be taken if the damage is beyond the limits or outside the scope, involves any one or more of the following options:

Answer 26

-Repair by replacement of damaged parts -Requesting technical support from type certificate holders, approved part-21 organisation, or a UK CAA approval of the particular repair data

Question 27

What is specification ATA 100?

Answer 27

The industries recommended format for the layout of the aircraft technical manuals

Question 28

What is ISPEC 2200?

Answer 28

Reduced dependence on paper by providing a common way to enable the electronic use of maintenance and engineering information in the aerospace industry

Question 29

What is S1000D?

Answer 29

an international specification for technical publications, utilising a Common Source Database. A350 and Dreamliner

Question 30

Can AMM's be customised?

Answer 30

Yes

Question 31

What does it mean if the wrong effectivity or manual is used in maintenance?

Answer 31

It can be illegal work

Question 32

What is there in each chapter of the AMM?

Answer 32

A description of the system that allows the reader to gain an understanding of the operations of that system

Question 33

What is there in each subsection?

Answer 33

Information about the servicing, repair and replacement of a particular compnent/system

Question 34

What do the preliminary pages at the start of the AMM show?

Answer 34

-List of chapter is numerical order -Record of revisions -List of temporary revision which should be removed from the manual but remain effective -SB list and Customer Originated Changes (COC) -De-activation/Re-activation index

Question 35

What are in the preliminary pages of each AMM chapter?

Answer 35

-Highlights that provide reasons for revision issues and lists temporary revisions -List of Effective Pages at a given revision issue -Table of contents

Question 36

What is the IPC?

Answer 36

Produced by the manufacturer to allow the aircraft engineer to identify replaceable components

Question 37

Is the IPC customisable?

Answer 37

Yes

Question 38

Does the IPC show all components whether they apply to the operator or not?

Answer 38

Yes they do so it is important to check the effectiveness of the aircraft against the drawing before ordering spare parts

Question 39

Where is effectivity and the revision status usually found in the IPC?

Answer 39

The effectivity is found on the bottom left-hand corner and the revision status on the bottom right hand side

Question 40

What is the SRM?

Answer 40

Used for the repair of primary and secondary structures of the aircraft

Question 41

Is the SRM customisable?

Answer 41

No

Question 42

What type of aircraft does the SRM apply to?

Answer 42

Large or complex aircraft

Question 43

What are the three parts the Wiring Diagram Manual is divided into?

Answer 43

-Aircraft Schematic Manual -Aircraft Wiring Manual -Aircraft Wiring List

Question 44

Why should effectivity be checked with the WDM?

Answer 44

To ensure the correct drawing is used

Question 45

Who is the CMM used by?

Answer 45

Overhaul engineers in the workshop but is still useful to aircraft engineers

Question 46

Does the CMM need further manuals?

Answer 46

No

Question 47

Who is the TSM and FIM used by?

Answer 47

Trouble Shooting Manual is used by Airbus and Fault Finding Manual is used by Boeing

Question 48

What are temporary revisions?

Answer 48

When the manufacturer decides to release an amendment at short notice and there is not enough time for a complete one

Question 49

What colour is temporary revisions in?

Answer 49

Yellow

Question 50

What is category A in the MEL?

Answer 50

No standard interval

Question 51

When a time period is other than a specified calendar day/flight day in category A, what does that mean?

Answer 51

It should start at the point when the defect is deferred in the MEL

Question 52

What is category B in the MEL?

Answer 52

Items have to be rectified within 3 calendar days, excluding the day of discovery

Question 53

What is category C in the MEL?

Answer 53

Items have to be rectified within 10 calendar days, excluding the day of discovery

Question 54

What is category D in the MEL?

Answer 54

Items have to be rectified between 100-120 calendar days, excluding the day of discovery

Question 55

What is the DDL?

Answer 55

Dispatch Deviation List contains the operational and maintenance procedures for the MEL and CDL and must be carried on the flight deck of large transport category aircraft

Question 56

When a time period is specified in calendar days/flight days in category A, what does that mean?

Answer 56

It excludes the day of discovery