DOC AIRBUS | TSM A320FLoss of the Crossload Bus from the DMC1 to the DMC3
TASK 31-63-82-810-832-A
Loss of the Crossload Bus from the DMC1 to the DMC3
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-63-82-740-070-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 31-63-82-810-098-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:31:16 UTC
Loss of the Crossload Bus from the DMC1 to the DMC3
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-60-00-740-007 | GROUND SCANNING Test of the DMC |
| ASM 316100 | |
| AMM 31-63-34-000-001 | Removal of the DMC |
| AMM 31-63-34-400-001 | Installation of the DMC |
Subtask 31-63-82-740-070-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 31-63-82-810-098-A ** ON A/C NOT FOR ALL
A. If the GROUND SCANNING test gives the maintenance message DMC1(1WT1)/DMC3 (1WT3):
Subtask 31-63-82-740-071-A ** ON A/C NOT FOR ALL - replace the DMC-1 [1WT1] AMM 31-63-34-000-001 and AMM 31-63-34-400-001
- replace the DMC-3 [1WT3] AMM 31-63-34-000-001 and AMM 31-63-34-400-001
- check and repair the wiring from the pins AB/11J and AB/11K of the DMC1 to the pins AE/13B and AE/13C of the DMC3 ASM 316100
B. Do the test given in Para. 3.