Low Bleed Pressure of the Engine 1 in Cruise

TASK 36-11-00-810-874-A
Low Bleed Pressure of the Engine 1 in Cruise

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 36-11-00-740-001	BITE Test of the BMC 1(2)
AMM 36-11-16-000-001	Removal of the Bleed Regulated Pressure-Transducer
AMM 36-11-16-400-001	Installation of the Bleed Regulated Pressure-Transducer
AMM 36-11-51-000-040	Removal of the High Pressure Bleed Valve
AMM 36-11-51-000-042	Removal of the High Pressure Bleed Valve
AMM 36-11-51-400-040	Installation of the High Pressure Bleed Valve
AMM 36-11-51-400-042	Installation of the High Pressure Bleed Valve
AMM 36-11-52-000-040	Removal of the Bleed Pressure-Regulator Valve
AMM 36-11-52-000-042	Removal of the Bleed Pressure Regulator Valve
AMM 36-11-52-400-040	Installation of the Bleed Pressure-Regulator Valve
AMM 36-11-52-400-042	Installation of the Bleed Pressure Regulator Valve

3. Fault Confirmation
Subtask 36-11-00-710-195-A ** ON A/C NOT FOR ALL

A. Test
(1) Do the BITE test of the BMC1 AMM 36-11-00-740-001.

4. Fault Isolation
Subtask 36-11-00-810-124-A ** ON A/C NOT FOR ALL

A. If the test gives a maintenance message:

(1) If there is no maintenance message:

(a) If the fault continues:

Replace the XDCR-BLEED REGULATED PRESS, ENG 1 [8HA1] AMM 36-11-16-000-001 and AMM 36-11-16-400-001.

(b) If the fault continues:

Subtask 36-11-00-810-124-C ** ON A/C NOT FOR ALL

A. If the test gives a maintenance message:

(1) If there is no maintenance message:

(a) If the fault continues:

Replace the XDCR-BLEED REGULATED PRESS, ENG 1 [8HA1] AMM 36-11-16-000-001 and AMM 36-11-16-400-001.

(b) If the fault continues:

Subtask 36-11-00-710-196-A ** ON A/C NOT FOR ALL

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

[Rev.8 from Aug 2018] 2026.04.04 04:33:47 UTC