11.18 Flashcards
What does cms do
Monitor fault status and initiate tests
What does cms consist of
2 CMC
2 or 3 MCDU
How many Boeing faults are stored for
99 flights or 500 faults
How long does airbus store faults for
63 previous flights
What’s a class 3 fault the same as
Maintaince memos
When do you do a bite test
When system is on
Mcdu is what
Human interface
Purpose of onboard maintenance systems
Monitor and test aircraft systems
Record and store fault data
What can the obms store
all different manuals and publications
Level a classification
Warning
Level b classification
Caution
Level c classification
Advisories
Airbus classification for faults
1 - warnings and cautions
2 - advisory or system notifications
3 - recorded for interrogation on ground
What is hard failure
Performance change due to failure of component or part failure
What is soft failure
Component or part failure doesn’t lead to performance change
