Loss of the FDU 1 Channel A Power Supply

TASK 26-12-00-810-838-A
Loss of the FDU 1 Channel A Power Supply

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 24-00-00-810-802-A	Power Supply Interruption

3. Fault Confirmation
Subtask 26-12-00-710-128-A ** ON A/C NOT FOR ALL

A. Test
Not applicable.

4. Fault Isolation
Subtask 26-12-00-810-091-A ** ON A/C NOT FOR ALL

A. If there is the maintenance message (on the maintenance Post Flight Report) POWER SUPPLY INTERRUPT:

[Rev.8 from Aug 2018] 2026.04.04 04:27:11 UTC