DOC AIRBUS | TSM A320FFault of the Escape Slide Light at the LH Emergency Exits (Light On)
TASK 25-62-00-810-824-A
Fault of the Escape Slide Light at the LH Emergency Exits (Light On)
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 25-62-00-710-093-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 25-62-00-810-093-A ** ON A/C NOT FOR ALL
Subtask 25-62-00-860-060-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:27:04 UTC
Fault of the Escape Slide Light at the LH Emergency Exits (Light On)
1. Possible Causes
- ESCAPE SLIDE OFFWING L [7504MM]
- EPSU [11WL]
- aircraft wiring
- PROX SW-HANDLE FLAP, L FWD EMER EXIT [19WV1]
- PROX SW-HANDLE FLAP, L AFT EMER EXIT [21WV1]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 25-62-42-000-001 | Offwing Escape-Slide - Removal |
| AMM 25-62-42-400-001 | Offwing Escape-Slide - Installation |
| AMM 33-51-00-710-001 | Operational Test of the Emergency Lights |
| ASM 335102 | |
| AMM 33-51-38-000-001 | Removal of the Emergency Power-Supply Unit (EPSU) |
| AMM 33-51-38-400-001 | Installation of the Emergency Power-Supply Unit (EPSU) |
| AMM 52-71-13-000-001 | Removal of the Proximity Switches |
| AMM 52-71-13-400-001 | Installation of the Proximity Switches |
Subtask 25-62-00-710-093-A ** ON A/C NOT FOR ALL 4. Fault Isolation
Subtask 25-62-00-810-093-A ** ON A/C NOT FOR ALL
A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
Subtask 25-62-00-810-094-B ** ON A/C NOT FOR ALL B. If the test gives the maintenance message ESCAPE SLIDE LT SW / EPSU (11WL) EMER L:
Subtask 25-62-00-710-094-A ** ON A/C NOT FOR ALL - Replace the LH OFFWING ESCAPE SLIDE ESCAPE SLIDE OFFWING L [7504MM] AMM 25-62-42-000-001 and AMM 25-62-42-400-001.
- Replace the EPSU EPSU [11WL] AMM 33-51-38-000-001 and AMM 33-51-38-400-001.
- Do a check and repair the aircraft wiring from the EPSU [11WL] to the escape slide connector 7531VC ASM 335102.
- Replace the PROXIMITY SWITCH PROX SW-HANDLE FLAP, L FWD EMER EXIT [19WV1] AMM 52-71-13-000-001 and AMM 52-71-13-400-001.
- Replace the PROXIMITY SWITCH PROX SW-HANDLE FLAP, L AFT EMER EXIT [21WV1] AMM 52-71-13-000-001 and AMM 52-71-13-400-001.
- Do a check and repair the aircraft wiring from the EPSU [11WL] to the proximity switch PROX SW-HANDLE FLAP, L FWD EMER EXIT [19WV1] ASM 335102.
- Do a check and repair the aircraft wiring from the EPSU [11WL] to the proximity switch PROX SW-HANDLE FLAP, L AFT EMER EXIT [21WV1] ASM 335102.
C. Do the test given in Para. 3.
5. Close-upSubtask 25-62-00-860-060-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.