TASK 31-51-00-810-809 Failure of the Crossloading Function in the FWC1 OEB/DATABASE
 1. Possible Causes
_______________
 - FWC-1 (1WW1)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM  31-51-00-610-003 Crossload OEB REMINDER information into FWCs using MCDUs. 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. Do a new crossloading from the FWC2 (Ref. AMM TASK 31-51-00-610-003).
 4. Fault Isolation
_______________
 A. If the CROSSLOAD FAILED message comes into view on the ECAM1/OEB DATABASE UPDATE page:
 - replace the FWC-1 (1WW1) (Ref. AMM TASK 31-53-34-000-001) (Ref. AMM TASK 31-53-34-400-001).

 Failure of the Crossloading Function in the FWC2 OEB/DATABASE
 1. Possible Causes
_______________
 - FWC-2 (1WW2)
 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 31-51-00-610-003 Crossload OEB REMINDER information into FWCs using MCDUs. 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. Do a new crossloading from the FWC1 (Ref. AMM TASK 31-51-00-610-003).
 4. Fault Isolation
_______________
 A. If the CROSSLOAD FAILED message comes into view on the ECAM2/OEB DATABASE UPDATE page:
 - replace the FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) (Ref. AMM TASK 31-53-34-400-001).

 Disagree between FWC1 and FWC2 OEB DATABASE
 1. Possible Causes
_______________
 - FWC-1 (1WW1)

 - FWC-2 (1WW2)

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
AMM 31-51-00-210-001 Read OEB REMINDER information in the FWC1 and/or the FWC2. AMM 31-51-00-610-002 Delete OEB REMINDER information from FWCs using MCDUs. AMM 31-51-00-610-003 Crossload OEB REMINDER information into FWCs using MCDUs. 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 the fault symptom is identified by the FWS OEB/FWC DISCREPANCY ECAM warning:
 (1) Read OEB reminder information in the FWC1 and FWC2 (Ref. AMM TASK 31-51-00-210-001).
 (a) Record of the incorrect ECAM 1 or 2 OEB data base list

 (b) Delete the incorrect OEB reminder information from the related FWC (Ref. AMM TASK 31-51-00-610-002).

 (c) Crossload OEB reminder information, from the FWC which has the correct data base to the FWC which had the incorrect data base. (Ref. AMM TASK 31-51-00-610-003).

 「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, 211-299, 301-399, 401-499, ∞∞31-51-00∞∞∞∞∞∞∞∞∞∞Page 211
 Aug 01/05 CES

 (2) If the fault continues:

 (a) Replace the defective FWC-1 (1WW1) or FWC-2 (1WW2) (Ref. AMM TASK 31-53-34-000-001) and (Ref. AMM TASK 31-53-34-400-001).
 B. Make sure that the FWS OEB/FWC DISCREPANCY ECAM warning is not shown on the upper ECAM DU.

 FLIGHT WARNING COMPUTER (FWC) - FAULT ISOLATION PROCEDURES
__________________________________________________________
 TASK 31-53-00-810-801
 Failure of the FWC 2
 1. Possible Causes
_______________
 - FWC-2 (1WW2)

 - wiring

 - 2WW-C/B EIS/FWC2/SPLY

 2. Job Set-up Information
　
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