DOC AIRBUS | TSM A320FFailure of the ADIRU3 Mounting-Position Pin-Programming
TASK 34-14-00-810-919-A
Failure of the ADIRU3 Mounting-Position Pin-Programming
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-14-00-740-249-A 4. Fault Isolation
Subtask 34-14-00-810-173-B
[Rev.8 from Aug 2018]
2026.04.04 04:32:49 UTC
Failure of the ADIRU3 Mounting-Position Pin-Programming
1. Possible Causes
- wiring of the defective programming pins
- ADIRU-3 [1FP3]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 341203 | |
| 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 34-14-00-740-249-A 4. Fault Isolation
Subtask 34-14-00-810-173-B
A. If the test gives the maintenance message WRG:MTG POS PIN PROG/ADIRU3 (1FP3):
Subtask 34-14-00-740-250-A - do a check of the AZIMUTH ORIENTATION pin-programming pins AA/1A, 2A, 3A on the rack connector,
- compare the status of the AZIMUTH ORIENTATION pin-programming with the status given in the ASM ASM 341203.
- repair the wiring of the defective programming pins ASM 341203.
- replace the ADIRU-3 [1FP3] AMM 34-12-34-000-001 and AMM 34-12-34-400-001.
B. Do the test given in Para. 3.