10.7 Applicable Requirements Flashcards
What is an A check?
Performed every 500-800 hours
Or 200-400 cycles
Duration of check is 20-50 hours
Usually performed over night at terminal or hangar
Can an A check be delayed?
Yes
By operator if certain predetermined conditions are met
What is a B-Check?
Performed every four to six months
Duration of check is approximately 150 man hours
A-1 through A-10 complete all the B-check items
What is a C- Check?
Performed every 20-24 months or a specific amount of actual flight hours as defined by manufacturer
Can require up to 6000 man hours
What is a D check?
Known as Heavy Maintenance Visit (HMV)
Occurs approximately every 5 years
Entire aircraft stripped
Paint completely removed
Can demand up to 50,000 man hours
2 months to complete
Most expensive
Aircraft undergoes 2-3 D checks before its retired
What is an airworthiness directive?
Issued by the CAA when an aircraft has been determined unsafe and could occur on other aircraft
Must communicate what is the unsafe condition
The action required to remain safe
What is a SSAD?
Sensitive security airworthiness directives
What is a service bulletin?
Issued by manufacturer
Not mandatory but aids the performance of the aircraft
Who issues service bulletins?
Manufacturer
What is an alert service bulletin?
Issued in matters requiring urgent attention
Must contain service bulletin number
What is a standard service bulletin?
Issued where the use of alert service bulletins are not required
What is contained in a service bulletin?
Title
Chapter name keyword
Brief statement
The body should contain
-planning information
-material information
-accomplishment instructions and optional appendices
How must modifications be carried out?
Approved by CAA
Approved by design organisation complying with annex 1(part-21) to reg 748/2012
Contained in requirements referring to standard changes or standard repairs
What is the industries recommended AMM layout?
ATA 100
What are the preliminary pages of the AMM?
List of chapters
Record of revisions
List of temporary revisions
Service bulletin list
De activation/re activation index
What is S1000D?
An international specification for technical publications, utilising a common source data base.
Used in Boeing tool box and airbus’s airwaves systems
What is the de-activation/re-activation index?
The de- activation and re-activation index shows in numerical sequence all the MMEL and CDL items which require a maintenance action with the corresponding AMM task number
What is CDL?
Configuration deviation list
What is WDM?
Wiring diagram manual
What is the purpose of the Wiring diagram manual?
To permit full understanding of electoral and electronic systems, operation, trouble shooting and maintenance
3 parts of WDM?
Aircraft schematic manual (ASM)
Aircraft wiring manual (AWM)
Aircraft wiring list (AWL)
What is a CMM?
Component maintenance manual
Who is the CMM intended to be used by?
Workshop engineers with overhauled parts
Useful for aircraft engineers when reassembling however
What colour paper is a temporary revision printed on?
YELLOW
What is TSM and FIM?
Trouble shooting manual (TSM)- Airbus
Fault isolation manual (FIM)- Boeing
Who does the ultimate decision to play the plane belong to?
The pilot/aircraft commander
MEL rectification intervals?
Category A- No standard interval specified, in accordance with MMEL
Category B- Shall be rectified within 3 days excluding day of discovery
Category C- Shall be rectified within 10 days excluding day of discovery
Category D- Shall be rectified within 120 days excluding day of discovery
What are two sub documents of Dispatch deviation list?
MEL
CDL
What is DDL?
Dispatch deviation list
Where must the DDL be carried?
On the flight deck
What is the purpose of the MEL and CDL?
Relieving documents
Not to encourage the operation of aircraft with inoperative equipment
What is Calendar day?
A 24 hour period from midnight based on usually UTV
What does if installed mean?
Means that the equipment is either optional or is not required to be installed on all aircraft covered by the MMEL
