Failure of the Cooling Air System of the ADIRU1
TASK 34-11-00-810-886-A
Failure of the Cooling Air System of the ADIRU1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-11-00-700-050-A ** ON A/C NOT FOR ALL
Subtask 34-11-00-810-198-A
[Rev.8 from Aug 2018]
2026.04.04 04:32:18 UTC
Failure of the Cooling Air System of the ADIRU1
1. Possible Causes
- ADIRU-1 [1FP1]
- cooling air system
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 |
Subtask 34-11-00-700-050-A ** ON A/C NOT FOR ALL
A. Not applicable.
4. Fault IsolationSubtask 34-11-00-810-198-A
A. If the maintenance message ADIRU1 (1FP1)/ OVER TEMPERATURE is shown:
- remove the ADIRU-1 [1FP1] AMM 34-12-34-000-001
- do a check of the cooling air system .
- install a new ADIRU1 AMM 34-12-34-400-001.
- repair it and install the ADIRU1.