(2) Make sure that the MASTER CAUT and MASTER WARN lights operate
 correctly.

 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page A264
 Aug 01/05R
 CES

 TASK 31-53-00-810-966
 Loss of the Data Output Bus of the FWC1

 1. Possible Causes
_______________
 - FWC-1 (1WW1)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System AMM 31-53-34-000-001 Removal of the Flight Warning Computer (FWC) (1WW1,1WW2) AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC) (1WW1,1WW2) ASM 31-52/05
 3. Fault Confirmation
__________________
 A. Do the ground scanning of the central warning systems (FWC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message:
 FWC2 :NO DATA FROM OPPOSITE FWC

 - replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring (Ref. ASM 31-52/05):
 (a) from the FWC 1 (1WW1) pins AE/12B, 12C to the first terminal block.

 (b) from the FWC 1 (1WW1) pins AB/12F, 12G to the first terminal block.

 (c) from the FWC 1 (1WW1) pins AB/12J, 12K to the first terminal block.

 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page A265
 Aug 01/05R CES

 Loss of the Data Output Bus of the FWC2
 1. Possible Causes
_______________
 - FWC-2 (1WW2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-53-34-000-001 Removal of the Flight Warning Computer (FWC)
 (1WW1,1WW2)
 AMM 31-53-34-400-001 Installation of the Flight Warning Computer (FWC)
 (1WW1,1WW2)
 ASM 31-52/05

 3. Fault Confirmation
__________________
 A. Do the ground scanning of the central warning systems (FWC) (Ref. AMM TASK 31-50-00-710-001).
 4. Fault Isolation
_______________
 A. If the test gives the maintenance message:
 FWC1 :NO DATA FROM OPPOSITE FWC

 - replace the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 (1) If the fault continues:
 - do a check and repair the wiring (Ref. ASM 31-52/05):
 (a) from the FWC 2 (1WW2) pins AE/12B, 12C to the first terminal block.

 (b) from the FWC 2 (1WW2) pins AB/12F, 12G to the first terminal block.

 (c) from the FWC 2 (1WW2) pins AB/12J, 12K to the first terminal block.

 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page A266
 Aug 01/05 CES

 SDAC - ACQUISITION/INTERFACE - FAULT ISOLATION PROCEDURES
_________________________________________________________ TASK 31-54-00-810-801 Loss of the ARINC 429 Bus 1 Output of the SDAC 2
 1. Possible Causes
_______________
 - SDAC-2 (1WV2)

 - wiring

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System
 AMM 31-55-34-000-001 Removal of the SDAC (1WV1,1WV2)
 AMM 31-55-34-400-001 Installation of the SDAC (1WV1,1WV2)
　
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