Air Leak from the APU in the Aft Cargo Compartment

TASK 36-22-00-810-867-A
Air Leak from the APU in the Aft Cargo Compartment

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 36-12-41-000-001	Removal of a Bleed-Air Duct
AMM 36-12-41-400-001	Installation of a Bleed-Air Duct
AMM 36-12-41-920-001	Replacement of the Combo Seals on the Pack Inlet including on the Sleeves downstream and upstream of the FCV
AMM 36-22-00-790-802	Leak Check on all the Bleed Air Ducts and Packs Components

3. Fault Confirmation
Subtask 36-22-00-720-055-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the leak test of the ducts of the APU bleed-air supply system AMM 36-22-00-790-802.

4. Fault Isolation
Subtask 36-22-00-810-133-A ** ON A/C NOT FOR ALL

A. If the cause of the leak is a duct with cracks or other damage:

Repair or replace the defective ducts AMM 36-12-41-000-001 and AMM 36-12-41-400-001.

Subtask 36-22-00-810-134-A ** ON A/C NOT FOR ALL

B. If the cause of the leak is a defective seal:

Subtask 36-22-00-700-055-A ** ON A/C NOT FOR ALL

C. After the subsequent flight, make sure that the fault does not continue.

[Rev.8 from Aug 2018] 2026.04.04 04:34:09 UTC