TASK 33-51-00-810-827

 EPSU 10WL does not have a Test Result available
 1. Possible Causes
_______________
 - wiring

 - EPSU (10WL)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 33-51-00-710-011 Check Battery Capacity via MCDU 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)
 ASM 33-51/01

 3. Fault Confirmation
__________________
 A. Do the operational test Check Battery Capacity via MCDU (Ref. AMM TASK 33-51-00-710-011).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the operational test gives the maintenance message:
 (1) NO TEST RESULT AVAIL/EPSU(10WL)FWD L:
 - get access to EPSU 10WL (Ref. AMM TASK 33-51-38-000-001).
 (a) Do a check and repair the wiring between: EPSU 10WL pin -I and DEU-B 300RH1 pin B29. EPSU 10WL pin -P and DEU-B 300RH1 pin B31. EPSU 10WL pin X and DEU-B 300RH1 pin B30 (Ref. ASM 33-51/01).

 (b) If the fault continues:

 - replace the EPSU (10WL) (Ref. AMM TASK 33-51-38-000-001) and (Ref. AMM TASK 33-51-38-400-001).
 C. Do the test given in para. 3.
 5. Close-up
________
 A. Put the aircraft back to its initial configuration.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 301-399, 401-499, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page A221
 Aug 01/05 CES

 TASK 33-51-00-810-828

 Failure of the Emergency Lights controlled by EPSU 10WL
 1. Possible Causes
_______________
 - CABIN EMERGENCY LIGHT (20WL)

 - CABIN EMERGENCY LIGHT (21WL)

 - CABIN EMERGENCY LIGHT (200WL)

 - CABIN EMERGENCY LIGHT (202WL)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 33-51-00-710-007 Operational Test of the Emergency Lighting in the
 Cabin by 'LIGHT EMER' Pushbutton Switch AMM 33-51-00-710-010 Operational Test of the Emergency Lights via MCDU AMM 33-51-11-000-001 Removal of the Cabin Emergency Lights AMM 33-51-11-400-001 Installation of the Cabin Emergency Light ASM 33-51/01
 3. Fault Confirmation
__________________
 A. Do the operational test of the Emergency Lights via MCDU (Ref. AMM TASK 33-51-00-710-010).
 4. Fault Isolation
_______________
 A. If the test gives a different maintenance message, do the trouble shooting procedure related to the maintenance message.
 B. If the operational test gives the maintenance message:
 (1) EMER LT/EPSU(10WL)FWD L:
 - do the Operational Test of the Emergency Lighting in the Cabin by Pushbutton Switch (Ref. AMM TASK 33-51-00-710-007).

 - during the test monitor the CABIN EMERGENCY LIGHT (20WL) and CABIN EMERGENCY LIGHT (21WL) above the FWD cabin doors and the CABIN EMERGENCY LIGHT (200WL) and CABIN EMERGENCY LIGHT (202WL) on the cabin ceiling.

 - replace the CABIN EMERGENCY LIGHT (20WL) and/or CABIN EMERGENCY LIGHT (21WL) (Ref. AMM TASK 33-51-11-000-001) and (Ref. AMM TASK 33-51-11-400-001) if not illuminated.

 - replace the CABIN EMERGENCY LIGHT (200WL) and/or CABIN EMERGENCY LIGHT (202WL) (Ref. AMM TASK 33-51-11-000-001) and (Ref. AMM TASK 33-51-11-400-001) if not illuminated.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 301-399, 401-499, ∞∞33-51-00∞∞∞∞∞∞∞∞∞∞Page A222
 Aug 01/05 CES (a) If the fault continues:

 - do a check and repair the wiring between: EPSU 10WL pin E and the CABIN EMERGENCY LIGHT (20WL) pin 3. CABIN EMERGENCY LIGHT (20WL) pin 1 and GND. EPSU 10WL pin E and the CABIN EMERGENCY LIGHT (202WL) pin B. CABIN EMERGENCY LIGHT (202WL) pin A and GND. EPSU 10WL pin G and the CABIN EMERGENCY LIGHT (21WL) pin 3. CABIN EMERGENCY LIGHT (21WL) pin 1 and GND. EPSU 10WL pin G and the CABIN EMERGENCY LIGHT (200WL) pin B. CABIN EMERGENCY LIGHT (200WL) pin A and GND (Ref. ASM 33-51/01).
　
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