Disagree between FWC1 and FWC2 OEB DATABASE
TASK 31-51-00-810-811-A
Disagree between FWC1 and FWC2 OEB DATABASE
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
3. Fault Confirmation
Subtask 31-51-00-710-050-A
Subtask 31-51-00-810-060-A
[Rev.8 from Aug 2018]
2026.04.04 04:30:11 UTC
Disagree between FWC1 and FWC2 OEB DATABASE
1. Possible Causes
2. Job Set-up Information
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 31-51-00-210-001 | Read OEB REMINDER Data in the FWC1 and/or the FWC2. |
| AMM 31-51-00-610-002 | Delete OEB REMINDER Data from FWCs using MCDUs. |
| AMM 31-51-00-610-003 | Crossload OEB REMINDER Data into FWCs using MCDUs. |
| AMM 31-53-34-000-001 | Removal of the Flight Warning Computer (FWC) |
| AMM 31-53-34-400-001 | Installation of the Flight Warning Computer (FWC) |
Subtask 31-51-00-710-050-A
A. Not applicable
4. Fault IsolationSubtask 31-51-00-810-060-A
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 AMM 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 AMM 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. AMM 31-51-00-610-003.
(2) If the fault continues:
(a) Replace the defective FWC-1 [1WW1] or FWC-2 [1WW2] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
Subtask 31-51-00-710-051-A (1) Read OEB reminder information in the FWC1 and FWC2 AMM 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 AMM 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. AMM 31-51-00-610-003.
(2) If the fault continues:
(a) Replace the defective FWC-1 [1WW1] or FWC-2 [1WW2] AMM 31-53-34-000-001 and AMM 31-53-34-400-001.
B. Make sure that the FWS OEB/FWC DISCREPANCY ECAM warning is not shown on the upper ECAM DU.