DOC AIRBUS | TSM A320FFailure of the CAPT MASTER WARN Light
TASK 31-53-00-810-916-A
Failure of the CAPT MASTER WARN Light
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-53-00-710-262-A 4. Fault Isolation
Subtask 31-53-00-810-165-A
[Rev.8 from Aug 2018]
2026.04.04 04:30:20 UTC
Failure of the CAPT MASTER WARN Light
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-50-00-710-002 | Operational Test of the Flight Warning Computer (FWC) |
| ASM 315206 | |
| AMM 31-53-34-000-001 | Removal of the Flight Warning Computer (FWC) |
| AMM 31-53-34-400-001 | Installation of the Flight Warning Computer (FWC) |
| AMM 33-14-00-710-001 | Operational Test of the Lights |
Subtask 31-53-00-710-262-A 4. Fault Isolation
Subtask 31-53-00-810-165-A
A. If the upper section of the CAPT MASTER WARN light does not flash:
Subtask 31-53-00-810-166-A - do the operational test of the annunciator light test system AMM 33-14-00-710-001.
- replace the
LT-MASTER WARN, CAPT (9WW1) .
- do a check and repair the wiring from CAPT MASTER WARN light (9WW1) pin A/7 to the first terminal block ASM 315206.
- replace the FWC-1 [1WW1] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
- do a check and repair the wiring from FWC1 (1WW1) pin AB/1G to the first terminal block ASM 315206.
B. If the lower section of the CAPT MASTER WARN light does not flash:
Subtask 31-53-00-710-263-A - do the operational test of the annunciator light test system AMM 33-14-00-710-001.
- replace the
LT-MASTER WARN, CAPT (9WW1) .
- do a check and repair the wiring from CAPT MASTER WARN light (9WW1) pin A/4 to the first terminal block ASM 315206.
- replace the FWC-2 [1WW2] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
- do a check and repair the wiring from FWC2 (1WW2) pin AB/1G to the first terminal block ASM 315206.
C. Do the test given in Para. 3.