DOC AIRBUS | TSM A320FLoss of the LGCIU 1 Discrete on the DMC 2
TASK 31-63-81-810-903-A
Loss of the LGCIU 1 Discrete on the DMC 2
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 31-63-81-740-252-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 31-63-81-810-171-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:31:03 UTC
Loss of the LGCIU 1 Discrete on the DMC 2
1. Possible Causes
- DMC-2 [1WT2]
- wiring
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-60-00-740-004 | EIS System Test |
| ASM 316200 | |
| AMM 31-63-34-000-001 | Removal of the DMC |
| AMM 31-63-34-400-001 | Installation of the DMC |
Subtask 31-63-81-740-252-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 31-63-81-810-171-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message LGCIU1 FLIGHT DISCRETE (5GA1)/ DMC2(1WT2):
Subtask 31-63-81-740-253-A ** ON A/C NOT FOR ALL - replace the DMC-2 [1WT2] AMM 31-63-34-000-001 and AMM 31-63-34-400-001
- check the wiring from DMC2 (1WT2) pins AD/7J, 7K to the first terminal block ASM 316200
B. Do the test given in Para. 3.A.