AUTO FLIGHT - GENERAL - FAULT ISOLATION PROCEDURES
__________________________________________________
TASK 22-00-00-810-801
Display of an Operational Warning on the Upper ECAM DU
1. Possible Causes
_______________
- Message on the Post Flight Report (PFR)
2. Job Set-up Information
______________________
Not Applicable
3. Fault Confirmation
__________________
A. Test
Not applicable, no confirmation test is necessary.
4. Fault Isolation
_______________
A. Do a check for a Message on the Post Flight Report (PFR).
If there is no message, no action is necessary. R If there is a message, do the trouble shooting procedure related to the R maintenance message.
NOTE : Some operational Warnings are not printed on the PFR.
____
Intermittent Failure
1. Possible Causes_______________
2. Job Set-up Information______________________
Not Applicable
3. Fault Confirmation__________________
A. Not applicable.
4. Fault Isolation_______________
A. No maintenance action is required (RTOK: retest OK).
R R R NOTE : When the failure is no more present at the last flight phase____ change, the RTOK information is added at the end of the maintenance message.
AP/FD ENGAGEMENT - FAULT ISOLATION PROCEDURES
_____________________________________________
TASK 22-11-00-810-801
Failure of the FMGC 1
1. Possible Causes
_______________
- FMGC-1 (1CA1)
- wiring of the 28VDC and 28VDC GND signals
- short to ground between the circuit breaker (10CA1) and the A/THR 1 relays (5CA1), (17CA1) and (18CA1)
- C/B-AUTO FLT/FMGC/1 (10CA1)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-83-34-000-001 Removal of the FMGC (1CA1,1CA2)
AMM 22-83-34-400-001 Installation of the FMGC (1CA1,1CA2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-31/01
ASM 22-84/01
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AUTO FLT/FMGC/1 10CA1 B02
B. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FMGC 1.
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