W DOC AIRBUS | TSM A320F

Fault of the Escape Slide Light at the LH Door 3 (Light On)


TASK 25-62-00-810-828-A
Fault of the Escape Slide Light at the LH Door 3 (Light On)


1. Possible Causes
  • ESCAPE SLIDE FOR DOOR 3LH [7772MM]
  • EPSU [11WL]
  • aircraft wiring
  • PROX SW-HANDLE FLAP, L AFT EMER EXIT [21WV1]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 25-62-47-000-001
Removal of the Escape Slide Enclosure
AMM 25-62-47-400-001
Installation of the Escape Slide Enclosure
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 52-71-13-000-002
Removal of the Proximity Switches
AMM 52-71-13-400-002
Installation of the Proximity Switches
3. Fault Confirmation
Subtask 25-62-00-710-101-A ** ON A/C NOT FOR ALL
A. Do the operational test of the emergency lighting system AMM 33-51-00-710-001.
4. Fault Isolation
Subtask 25-62-00-810-101-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 25-62-00-810-102-A ** ON A/C NOT FOR ALL
B. If the test gives the maintenance message ESCAPE SLIDE LT SW / EPSU (11WL) EXT L:
   (1) If the fault continues:
   (2) If the fault continues:
  • Do a check and repair the aircraft wiring from the EPSU [11WL] to the escape slide connector 6713VC ASM 335102.
   (3) If the fault continues:
   (4) If the fault continues:
  • Do a check on the aircraft wiring from the EPSU [11WL] to the proximity switch PROX SW-HANDLE FLAP, L AFT EMER EXIT [21WV1] ASM 335102.
Subtask 25-62-00-710-102-A ** ON A/C NOT FOR ALL
C. Do the test given in Para. 3.
5. Close-up
Subtask 25-62-00-860-064-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
[Rev.8 from Aug 2018] 2026.04.04 04:27:05 UTC