Loss of Bleed Air from the Engine 1 because of Starter-Valve Opening Indication

TASK 36-11-00-810-A22-A
Loss of Bleed Air from the Engine 1 because of Starter-Valve Opening Indication

1. Possible Causes

BMC-1 [1HA1]
wiring
P/BSW-ENG 1 BLEED [4HA1]
ENG/APU FIRE PNL [1WD]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 80-11-00-810-828-A	SAV Failed Open
AMM 26-12-12-000-001	Removal of the ENG/APU Fire Panel
AMM 26-12-12-400-001	Installation of the ENG/APU Fire Panel
ASM 361101
AMM 36-11-34-000-001	Removal of the BMC
AMM 36-11-34-400-001	Installation of the BMC

3. Fault Confirmation
Subtask 36-11-00-710-472-A ** ON A/C NOT FOR ALL

A. Test
(1) Not applicable, the fault is evident.

4. Fault Isolation
Subtask 36-11-00-810-476-A ** ON A/C NOT FOR ALL

A. Monitor the fault shown in the Centralized Fault Display System (CFDS):
(1) If the CFDS shows the fault message ENG1D-0005-SAV FAIL OPEN, do the troubleshoting procedure (Ref. TSM TASK 80-11-00-810-828).

Subtask 36-11-00-810-512-A ** ON A/C NOT FOR ALL

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

Subtask 36-11-00-810-513-A ** ON A/C NOT FOR ALL

C. If the fault continues:
(1) Do a check of the wiring between:

Pin 2 of the AIR BLEED/ENG 1/CTL circuit breaker (3HA1) and pin AB/9C of the BMC 1 (1HA1) ASM 361101

(a) If the wiring is not correct:

Repair the wiring.

(b) If the wiring is correct:

Replace the P/BSW-ENG 1 BLEED [4HA1] .

Subtask 36-11-00-810-514-A ** ON A/C NOT FOR ALL

D. If the fault continues:
(1) Replace ENG/APU FIRE PNL [1WD] AMM 26-12-12-000-001 and AMM 26-12-12-400-001.

Subtask 36-11-00-710-473-A ** ON A/C NOT FOR ALL

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

[Rev.8 from Aug 2018] 2026.04.04 04:33:57 UTC