DOC AIRBUS | TSM A320FLoss of the ADIRU1 Input B Signal from the SFCC
TASK 34-13-00-810-926-A
Loss of the ADIRU1 Input B Signal from the SFCC
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 34-13-00-740-235-C 4. Fault Isolation
Subtask 34-13-00-810-176-B
[Rev.8 from Aug 2018]
2026.04.04 04:32:28 UTC
Loss of the ADIRU1 Input B Signal from the SFCC
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 27-51-34-000-001 | Removal of the SFCC |
| AMM 27-51-34-400-001 | Installation of the SFCC |
| AMM 34-12-34-000-001 | Removal of the ADIRU |
| AMM 34-12-34-400-001 | Installation of the ADIRU |
| AMM 34-13-00-740-002 | INTERFACE TEST of the ADR |
| ASM 341302 |
Subtask 34-13-00-740-235-C 4. Fault Isolation
Subtask 34-13-00-810-176-B
A. If the test gives the SFCC1/2 (21CV/22CV)/ ADIRU1 (1FP1) AOA INPUT B maintenance message:
Do a check and repair the wiring between:
Subtask 34-13-00-740-236-A - Replace the SLAT/FLAP CONTR.COMP. [21CV] AMM 27-51-34-000-001 and AMM 27-51-34-400-001.
- Replace the SLAT/FLAP CONTR.COMP. [22CV] AMM 27-51-34-000-001 and AMM 27-51-34-400-001.
Do a check and repair the wiring between:
- Pin AA/12F of ADIRU1 (1FP1) and the first terminal block
- Pin AA/14F of ADIRU1 (1FP1) and pin AB/10H of SFCC2 (22CV)
- Pin AA/2K of ADIRU1 (1FP1) and the first terminal block ASM 341302.
- Replace ADIRU-1 [1FP1] AMM 34-12-34-000-001 and AMM 34-12-34-400-001.
B. Do the test given in Para. 3.