Unwanted Engine 1 Leak Detection

TASK 36-22-00-810-858-A
Unwanted Engine 1 Leak Detection

1. Possible Causes

BMC-1 [1HA1]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 36-11-00-740-802	BITE Test of the Engine Bleed Air System (EBAS) (System Test)
AMM 36-11-34-000-001	Removal of the BMC
AMM 36-11-34-400-001	Installation of the BMC

3. Fault Confirmation
Subtask 36-22-00-710-104-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the BITE test AMM 36-11-00-740-802.

4. Fault Isolation
Subtask 36-22-00-810-121-A ** ON A/C NOT FOR ALL

A. If the test gives the ECAM warning AIR ENG 1 BLEED LEAK and the FAULT legend is ON on the ENG 1 BLEED pushbutton switch:
(1) Release and push the ENG 1 BLEED pushbutton switch to clean the warnings.

NOTE: No more maintenance procedure is necessary if the ducts are cold and not pressurized.

Subtask 36-22-00-810-123-A ** ON A/C NOT FOR ALL

B. If the fault continues:
(1) Replace the BMC-1 [1HA1] AMM 36-11-34-000-001 and AMM 36-11-34-400-001.

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