(1) replace the FWC-2 (1WW2), (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 「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 : 001-049, 062-099, 101-149, 151-156, ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page A260
 201-299, 301-399, 401-499, Aug 01/05 CES

 (2) If the fault continues:

 - replace the SDU (105RV1) (Ref. AMM TASK 23-28-34-000-001) and (Ref. AMM TASK 23-28-34-400-001).
 B. Do the test given in Para. 3.
 「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 062-099, 101-149, 151-156, ∞∞31-53-00∞∞∞∞∞∞∞∞∞∞Page A261
 201-299, 301-399, 401-499, Aug 01/05 CES

 TASK 31-53-00-810-956
 Unwanted (Spurious) Warnings/Indications from the FWC

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

 - FWC-2 (1WW2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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)
 3. Fault Confirmation
__________________
 A. Not Applicable
 4. Fault Isolation
_______________
 A. If an unwanted (spurious) warning/indication is shown on the ECAM display units:
 (1) Remove the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001). Make sure that the warning/indication is not shown.
 (a) If the warning/indication is not shown:

 - replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-400-001).

 (b) If the warning/indication is shown:

 - install the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-400-001).

 - remove the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001).

 (c) If the warning/indication is not shown:

 - replace the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-400-001). NOTE : If the warning/indication stays on the ECAM display units,
____ then, a failure of the FWCs is not the cause of this ECAM warning/indication.
 Aug 01/05R CES

 Only MASTER or WARN or CAUT section(s) of MASTER CAUT or/and MASTER WARN Lights on
 1. Possible Causes
_______________
 - FWC-2 (1WW2)

 - FWC-1 (1WW1)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  22-10-00-710-001 
R R  AMM AMM  22-30-00-710-003 31-53-34-000-001 
AMM  31-53-34-400-001 
R  3. Fault Confirmation__________________ 
R  A. Test 

Operational Test of the Takeover and Priority
 Pushbutton Switches
Operational Test of the Engine / Autothrust System
Isolation (with AIDS)
Removal of the Flight Warning Computer (FWC)
 (1WW1,1WW2)
Installation of the Flight Warning Computer (FWC)
 (1WW1,1WW2)

R NOTE : During the tests, you must push the takeover and priority
____ R pushbutton switch or the A/THR instinctive disconnect pushbutton R switch more than 0.2 second.
R (1) Do the operational test of the takeover and priority pushbutton R switches (Ref. AMM TASK 22-10-00-710-001).
R (2) Do the operational test of the engine/autothrust system Isolation R (with AIDS) (Ref. AMM TASK 22-30-00-710-003).
 4. Fault Isolation
_______________
 A. If the tests confirm the crew observation:
 - half light of MASTER CAUT Light on
 or/and

 - half light of MASTER WARN Light on

 「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 A263
 Aug 01/05 CES

 (1) Replace the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).

 (2) If the fault continues:

 - Replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
　
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