Failure of the FWC2 Detected by the DMC

TASK 31-63-00-810-973-A
Failure of the FWC2 Detected by the DMC

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 31-63-00-810-962-A	Loss of the ARINC 429 Link between the FWC2 and the DMC2
TSM TASK 31-63-00-810-963-A	Loss of the ARINC 429 FWC2 Input of the DMC1
TSM TASK 31-63-00-810-966-A	Loss of the ARINC 429 Link from the FWC2 to the DMC3
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)
AMM 31-60-00-740-007	GROUND SCANNING Test of the DMC

3. Fault Confirmation
Subtask 31-63-00-740-350-A ** ON A/C NOT FOR ALL

A. Test
Do the Ground Scanning Test of the DMC AMM 31-60-00-740-007.

4. Fault Isolation
Subtask 31-63-00-810-228-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message: FWC2(1WW2)

(1) If the fault continues:

5. Close-up
Subtask 31-63-00-740-351-A ** ON A/C NOT FOR ALL

A. Do the test given in Para. 3.A.

[Rev.8 from Aug 2018] 2026.04.04 04:30:50 UTC