DOC AIRBUS | TSM A320FLoss of the Power Supply 26VAC of the Rudder Trim Side 1
TASK 22-62-00-810-811-A
Loss of the Power Supply 26VAC of the Rudder Trim Side 1
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 22-62-00-710-072-A 4. Fault Isolation
Subtask 22-62-00-810-070-A
[Rev.8 from Aug 2018]
2026.04.04 04:25:12 UTC
Loss of the Power Supply 26VAC of the Rudder Trim Side 1
1. Possible Causes
- electronic module
wiring of the 26VAC signal (from the rudder trim actuator (10CC) pin A/G and pin B/A to the first terminal block) wiring of the ground signal at rudder trim actuator (10CC) pin A/H and pin B/B
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 226701 | |
| AMM 22-91-00-710-001 | Ground Scanning of the AFS |
| AMM 27-22-51-000-001 | Removal of the Rudder Trim Actuator |
| AMM 27-22-51-400-001 | Installation of the Rudder Trim Actuator |
Subtask 22-62-00-710-072-A 4. Fault Isolation
Subtask 22-62-00-810-070-A
A. If the test gives the maintenance message AFS: 431 XPA BUS BAR:
Subtask 22-62-00-710-073-A - Replace the electronic module of the rudder trim actuator (10CC) AMM 27-22-51-000-001 and AMM 27-22-51-400-001.
- Do a check of the
wiring of the 26VAC signal (from the rudder trim actuator (10CC) pin A/G and pin B/A to the first terminal block) , ASM 226701.
- Repair the above wiring.
- Do a check and repair the
wiring of the ground signal at rudder trim actuator (10CC) pin A/H and pin B/B , ASM 226701.
B. Do the test given in Para. 3.