DOC AIRBUS | TSM A320FFCU 1 Inoperative
TASK 22-81-00-810-811-A
FCU 1 Inoperative
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-81-00-710-068-A
Subtask 22-81-00-810-066-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:26 UTC
FCU 1 Inoperative
1. Possible Causes
- FCU [2CA]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 22-81-12-000-001 | Removal of the FCU |
| AMM 22-81-12-400-001 | Installation of the FCU |
| AMM 22-96-00-710-001 | Operational Test of the AFS |
Subtask 22-81-00-710-068-A
A. Test
(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 1.
4. Fault Isolation(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 1.
Subtask 22-81-00-810-066-A
A. If the test gives the maintenance message AFS : FCU (FD1 NOT ENGAGED):
Subtask 22-81-00-710-072-A - replace the FCU [2CA] AMM 22-81-12-000-001 and AMM 22-81-12-400-001.
B. Do the test given in Para. 3.