Loss of the Reception of the LGCIU 2 Bus by the FAC 2
TASK 22-66-00-810-834-A
Loss of the Reception of the LGCIU 2 Bus by the FAC 2
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-66-00-865-077-A
Subtask 22-66-00-810-084-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:18 UTC
Loss of the Reception of the LGCIU 2 Bus by the FAC 2
1. Possible Causes
- FAC-2 [1CC2]
wiring of the LGCIU OWN bus from the FAC 2 (1CC2) 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 226901 | |
| AMM 22-91-00-710-001 | Ground Scanning of the AFS |
Subtask 22-66-00-865-077-A
A. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 22-66-00-710-116-A 4. Fault Isolation| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C ALL | |||
| 121VU | HYDRAULIC/LGCIU/SYS2 | 2GA | Q35 |
Subtask 22-66-00-810-084-A
A. If the test gives the maintenance message AFS: LGCIU2:
Subtask 22-66-00-710-117-A - replace the FAC-2 [1CC2] AMM 22-66-34-000-002 and AMM 22-66-34-400-002.
- do a check and repair the
wiring of the LGCIU OWN bus from the FAC 2 (1CC2) to the first terminal block ASM 226901.
B. Do the test given in Para. 3.