Feedback Message from the DMC3 on the F/O PFD DU

TASK 31-63-81-810-990-A
Feedback Message from the DMC3 on the F/O PFD DU

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-60-00-740-004	EIS System Test
AMM 31-63-22-000-001	Removal of the Display Unit
AMM 31-63-22-400-001	Installation of the Display Unit
AMM 31-63-34-000-001	Removal of the DMC
AMM 31-63-34-400-001	Installation of the DMC

3. Fault Confirmation
Subtask 31-63-81-740-374-A ** ON A/C NOT FOR ALL

A. Test

4. Fault Isolation
Subtask 31-63-81-810-278-A ** ON A/C NOT FOR ALL

A. Read the Post Flight Report
(1) If the PFR gives the maintenance message:
DMC3(1WT3)/DU EWD(4WT1)/DU PFD FO(2WT2)

Subtask 31-63-81-740-375-A ** ON A/C NOT FOR ALL

B. Do the EIS system test AMM 31-60-00-740-004.
(1) If the test gives the maintenance message DMC3(1WT3)/DU EWD(4WT1)/DU PFD FO(2WT2):

[Rev.8 from Aug 2018] 2026.04.04 04:31:12 UTC