Loss of the FMGC 2 OWN A Bus
TASK 22-11-00-810-822-A
Loss of the FMGC 2 OWN A Bus
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-11-00-710-076-A
Subtask 22-11-00-810-069-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:07 UTC
Loss of the FMGC 2 OWN A Bus
1. Possible Causes
- FMGC-2 [1CA2]
wiring of the FMGC OWN A (COM) bus from the FMGC 2 (1CA2) to the first terminal block
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 22-83-34-000-001 | Removal of the FMGC |
| AMM 22-83-34-400-001 | Installation of the FMGC |
| ASM 228602 | |
| AMM 22-96-00-710-001 | Operational Test of the AFS |
Subtask 22-11-00-710-076-A
A. Test
(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 2.
4. Fault Isolation(1) Do the operational test of the AFS AMM 22-96-00-710-001 and read the result for the FMGC 2.
Subtask 22-11-00-810-069-A
A. If the test gives the maintenance message AFS: FMGC2/C-M ARINC LINK:
Subtask 22-11-00-710-077-A - replace the FMGC-2 [1CA2] AMM 22-83-34-000-001 and AMM 22-83-34-400-001.
- do a check and repair the
wiring of the FMGC OWN A (COM) bus from the FMGC 2 (1CA2) to the first terminal block ASM 228602.
B. Do the test given in Para. 3.