DOC AIRBUS | TSM A320FFailure of the ADR 1 Output Buses
TASK 34-14-00-810-824-A
Failure of the ADR 1 Output Buses
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-14-00-740-089-A 4. Fault Isolation
Subtask 34-14-00-810-073-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:32:44 UTC
Failure of the ADR 1 Output Buses
1. Possible Causes
- ADIRU-1 [1FP1]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 34-12-34-000-001 | Removal of the ADIRU |
| AMM 34-12-34-400-001 | Installation of the ADIRU |
| AMM 34-14-00-740-001 | Interface Test of the IR |
Subtask 34-14-00-740-089-A 4. Fault Isolation
Subtask 34-14-00-810-073-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message ADIRU1 : NO ADR-INT1 DATA:
Subtask 34-14-00-810-073-C ** ON A/C NOT FOR ALL - replace the ADIRU-1 [1FP1] AMM 34-12-34-000-001 and AMM 34-12-34-400-001.
A. If the test gives the maintenance message ADIRU1 (1FP1) ADR BUS1:
- replace the ADIRU-1 [1FP1] AMM 34-12-34-000-001 and AMM 34-12-34-400-001.