DOC AIRBUS | TSM A320FLoss of the Reception of the FMGC1 OWN B Bus by the FAC 1
TASK 22-66-00-810-825-A
Loss of the Reception of the FMGC1 OWN B Bus by the FAC 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-66-00-710-104-A
Subtask 22-66-00-810-078-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:17 UTC
Loss of the Reception of the FMGC1 OWN B Bus by the FAC 1
1. Possible Causes
- FAC-1 [1CC1]
wiring of the FMGC OWN B bus from the FAC 1 (1CC1) to the first terminal block
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 22-66-34-000-002 | Removal of the FAC |
| AMM 22-66-34-400-002 | Installation of the FAC |
| ASM 228602 | |
| AMM 22-96-00-710-001 | Operational Test of the AFS |
Subtask 22-66-00-710-104-A
A. Test
(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FAC 1.
4. Fault Isolation(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FAC 1.
Subtask 22-66-00-810-078-A
A. If the test gives the maintenance message AFS: FAC1/FMGC1 BUS WIRG:
Subtask 22-66-00-710-105-A - replace the FAC-1 [1CC1] , AMM 22-66-34-000-002 and AMM 22-66-34-400-002.
- do a check and repair the
wiring of the FMGC OWN B bus from the FAC 1 (1CC1) to the first terminal block , ASM 228602.
B. Do the test given in Para. 3.