Loss of the Left-Wing Leak Detection (Loop B)

TASK 36-22-00-810-871-A
Loss of the Left-Wing Leak Detection (Loop B)

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 36-22-00-810-837-A	LH Wing Loop B Inoperative
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 36-22-00-710-117-A ** ON A/C NOT FOR ALL

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

4. Fault Isolation
Subtask 36-22-00-810-138-A ** ON A/C NOT FOR ALL

A. If the test gives at the same time these two maintenance messages:

(1) Replace BMC-1 [1HA1] AMM 36-11-34-000-001 and AMM 36-11-34-400-001.
(2) Do this trouble shooting procedure (Ref. TSM TASK 36-22-00-810-837).

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