DOC AIRBUS | TSM A320FLoss of the Reception of the FAC 1 HLTY Discretes by the FMGC 2
TASK 22-83-00-810-802-A
Loss of the Reception of the FAC 1 HLTY Discretes by the FMGC 2
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-83-00-710-052-A
Subtask 22-83-00-810-051-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:29 UTC
Loss of the Reception of the FAC 1 HLTY Discretes by the FMGC 2
1. Possible Causes
- FMGC-2 [1CA2]
wiring of the FAC OPP HLTY MON and FAC OPP HLTY COM discretes (from the FMGC 2 (1CA2) to the first terminal block)
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 226501 | |
| AMM 22-83-34-000-001 | Removal of the FMGC |
| AMM 22-83-34-400-001 | Installation of the FMGC |
| AMM 22-96-00-710-001 | Operational Test of the AFS |
Subtask 22-83-00-710-052-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 22-83-00-810-051-A
A. If the test gives the maintenance message AFS: FMGC2/FAC1 (HLTY CKT):
Subtask 22-83-00-710-053-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 FAC OPP HLTY MON and FAC OPP HLTY COM discretes (from the FMGC 2 (1CA2) to the first terminal block) ASM 226501.
B. Do the test given in Para. 3.