Internal Failure of the ADR 1 Identified by the ATC 1
TASK 34-13-00-810-813-A
Internal Failure of the ADR 1 Identified by the ATC 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 34-13-00-740-063-A 4. Fault Isolation
Subtask 34-13-00-810-062-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:32:21 UTC
Internal Failure of the ADR 1 Identified by the ATC 1
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 34-52-00-740-004 | BITE Test of the ATC |
Subtask 34-13-00-740-063-A 4. Fault Isolation
Subtask 34-13-00-810-062-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message ATC1 : NO DATA FROM ADIRU:
Subtask 34-13-00-810-062-B ** 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 ADIRU 1/3 (1FP1/3)/ ATC1 (1SH1) :
Subtask 34-13-00-740-064-A - replace the ADIRU-1 [1FP1] , AMM 34-12-34-000-001 and AMM 34-12-34-400-001.
B. Do the test given in Para. 3.