Failure of the FWC1 Detected by the DMC

TASK 31-63-00-810-972-A
Failure of the FWC1 Detected by the DMC

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 31-53-00-810-810-A	Loss of the ARINC 429 Data between the FWC 1 and the DMC 1
TSM TASK 31-53-00-810-811-A	Loss of the ARINC 429 Data between the FWC 1 and the DMC 2
TSM TASK 31-53-00-810-813-A	Loss of the ARINC 429 Data between the FWC 1 and the DMC 3
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 31-63-00-740-348-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 31-63-00-810-227-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message: FWC1(1WW1)

(1) if the fault continues:

5. Close-up
Subtask 31-63-00-740-349-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