Failure of the IDG Cables

TASK 24-21-00-810-846-A
Failure of the IDG Cables

1. Possible Causes

IDG harness
IDG cables
IDG harness

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 24-21-61-000-802	Removal of the IDG Power Feeder-Cables
AMM 24-21-61-400-802	Installation of the IDG Power Feeder-Cables
AMM 24-92-00-000-001	Removal of the IDG Feeders from the Pylon
AMM 24-92-00-400-001	Installation of the IDG Feeders on the Pylon
AMM 71-51-43-000-043	Removal of the Generator Power Harness
AMM 71-51-43-400-043	Installation of the Generator Power Harness
AMM 71-51-44-000-001	Removal of the Generator Power Harness 238W0903
AMM 71-51-44-400-001	Installation of the Generator Power Harness 238W0903

3. Fault Confirmation
Subtask 24-21-00-869-068-A

A. Test
(1) Not applicable

4. Fault Isolation
Subtask 24-21-00-810-109-B ** ON A/C NOT FOR ALL

A. Inspection
(1) Disconnect the IDG cables on the pylon on affected engine.
(2) Do a check of the connector for pin burning or arcing damage or corrosion
(a) If there is pin burning/arcing damage or corrosion:

Replace IDG harness on pylon side AMM 24-92-00-000-001 and AMM 24-92-00-400-001.
Replace the IDG cables on engine side AMM 71-51-44-000-001 and AMM 71-51-44-400-001.

Subtask 24-21-00-810-109-E ** ON A/C NOT FOR ALL

Replace IDG harness on pylon side AMM 24-92-00-000-001 and AMM 24-92-00-400-001.
Replace the IDG cables on engine side AMM 71-51-43-000-043 and AMM 71-51-43-400-043.

Subtask 24-21-00-810-109-G ** ON A/C NOT FOR ALL

Replace IDG harness on pylon side AMM 24-92-00-000-001 and AMM 24-92-00-400-001.
Replace IDG cables on engine side AMM 24-21-61-000-802 and AMM 24-21-61-400-802.

[Rev.8 from Aug 2018] 2026.04.04 04:26:33 UTC