Failure of the APU Generator Control Unit

TASK 24-23-00-810-801-A
Failure of the APU Generator Control Unit

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 24-23-34-000-001	Removal of the GCU-APU
AMM 24-23-34-400-001	Installation of the GCU-APU
AMM 24-41-00-740-004	Operational Check of the GPCU via the CFDS

3. Fault Confirmation
Subtask 24-23-00-710-050-A ** ON A/C NOT FOR ALL

A. Test
Do the operational check of the GPCU with the CFDS AMM 24-41-00-740-004.

4. Fault Isolation
Subtask 24-23-00-810-050-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message GCU APU:

[Rev.8 from Aug 2018] 2026.04.04 04:26:39 UTC