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 - replace the relay (12WN) (Ref. ASM 52-73/01). 2 If the fault continues:
_
 - do a check for a short to ground at the wiring from the circuit breaker (13WN) to the indicator light (1WN2): pin 2 to pin A (Ref. ASM 52-73/01).
 a If there is a short to ground:
_
 - repair the related wiring. b If there is no short to ground:
_
 - replace the C/B-EIS/SLIDES/ARM AND WARN/GND (13WN) (Ref. ASM 52-73/01).
 (b) if the circuit breaker stays closed and the fault continues:
 - replace the indicator light (1WN2) (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 1 If the fault continues:
_
 - replace the relay (12WN) (Ref. ASM 52-73/01).

 B. Test

 -------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
Open the forward right Make sure that the SLIDE ARMED white passenger/crew door with the handle indicator light of the forward right of the escape slide in the ARMED passenger/crew door is on. position.
 5. Close-up
________
 A. Aircraft Maintenance Configuration
 (1) Install the escape slide or escape slide/raft pack assembly (Ref. AMM TASK 25-62-44-400-001).

 (2) Arm the percussion system of the door damper and emergency operation cylinder (Ref. AMM TASK 52-10-00-860-002).

 

 TASK 52-11-00-810-802

 The SLIDE ARMED indicator light of the forward left passenger/crew-door is inoperative on ground.
 1. Possible Causes
_______________
 - IND LT-SLIDE ARMED, FWD L DOOR (1WN1)

 - wiring from the proximity switch (13WV1) to the indicator light (1WN1)

 - wiring from the proximity switch (13WV1) pin C to the ground

 - RELAY-PWR SPLY SWITCHOVER (12WN)

 - wiring from the relay (12WN) to the indicator light (1WN1)

 - C/B-EIS/SLIDES/ARM AND WARN/GND (13WN)

 - wiring from the circuit breaker (13WN) to the relay (12WN)

 - wiring from the circuit breaker (13WN) to the indicator light (1WN1)

 - C/B EIS/SLIDES/ARM AND WARN/GND (13WN)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 25-62-44-000-002 Removal of the Escape-Slide Pack-Assembly R AMM 25-62-44-400-001 Installation of the Escape-Slide Pack-Assembly AMM 52-10-00-860-001 Special Precautions before Work on the Passenger/Crew Door AMM 52-10-00-860-002 Special Precautions after Work on the Passenger/Crew Door AMM 52-73-21-000-001 Removal of the SLIDE ARMED Indicator-Light (1WN1, 1WN2) of the FWD Passenger/Crew Door AMM 52-73-21-400-001 Installation of the SLIDE ARMED Indicator-Light
 (1WN1, 1WN2) of the FWD Passenger/Crew Door
 ASM 31-54/05
 ASM 52-73/01

 3. Fault Confirmation
__________________
 A. Aircraft Maintenance Configuration
 (1) Disarm the percussion system of the door damper and emergency operation cylinder (Ref. AMM TASK 52-10-00-860-001).

 (2) Remove the escape slide or escape slide/raft pack assembbly (Ref. AMM TASK 25-62-44-000-002).

 

 B. Make sure that this(these) circuit breaker(s) is(are) closed: -------------------------------------------------------------------------------
PANEL ------ DESIGNATION ------------------------------------ ------------------ IDENT. LOCATION-------------------
121VU EIS/SLIDES/ARM AND WARN/GND  13WN  P10
 C. Test
 ------------------------------------------ACTION  ------------------RESULT -------------------

-------------------------------------------------------------------------------
Open the left forward passenger/crew Make sure that the SLIDE ARMED white
 door with the handle of the escape indicator light of the forward left
 slide in the ARMED position. passenger/crew-door is not on.
 4. Fault Isolation
_______________
 A. If the test confirms the fault:
 - do a check of the circuit breaker (13WN) status (Ref. ASM 52-73/01).
 (1) If the circuit breaker is closed:
 - do a check for 28VDC at pin A of the indicator light (1WN1) (Ref. ASM 52-73/01).
 (a) If there is 28VDC:
 - replace the IND LT-SLIDE ARMED, FWD L DOOR (1WN1), (Ref. AMM TASK 52-73-21-000-001) and (Ref. AMM TASK 52-73-21-400-001).
 1 If the fault continues:
_
 - do a check for a ground signal at pin C of the proximity switch (13WV1) (Ref. ASM 31-54/05).
　
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