Bleed Pressure Sensor of Engine 1 Failed

TASK 36-11-00-810-999-A
Bleed Pressure Sensor of Engine 1 Failed

1. Possible Causes

XDCR-BLEED REGULATED PRESS, ENG 1 [8HA1]
wiring

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 361101
ASM 361102
AMM 36-11-16-000-802	Removal of the Bleed Regulated Pressure-Transducer
AMM 36-11-16-400-802	Installation of the Bleed Regulated Pressure-Transducer
AMM 36-11-16-720-802	Functional Test of the Bleed Regulated Pressure-Transducer with the Bleed Test Set P/N 98D36109001000

3. Fault Confirmation
Subtask 36-11-00-740-099-A ** ON A/C NOT FOR ALL

A. Test
(1) Not Applicable

4. Fault Isolation
Subtask 36-11-00-810-402-A ** ON A/C NOT FOR ALL

A. If the fault symptom is identified by the maintenance message REG-PRESS XDCR (8HA1):
(1) Do the functional test of the XDCR-BLEED REGULATED PRESS, ENG 1 [8HA1] AMM 36-11-16-720-802
(2) If the test is not OK:

Replace the XDCR-BLEED REGULATED PRESS, ENG 1 [8HA1] AMM 36-11-16-000-802 and AMM 36-11-16-400-802.

Subtask 36-11-00-810-403-A ** ON A/C NOT FOR ALL

B. If the fault continues:
(1) Do a check of the wiring from Bleed Pressure Sensor (8HA1) pin A/3 and pin A/4 to BMC1 (1HA1) pin AA/2E and pin AA/1E ASM 361101.
(a) If the wiring is damaged:
1 Repair or replace the wiring .

Subtask 36-11-00-810-507-A ** ON A/C NOT FOR ALL

C. If the fault continues:
(1) Do a check of the wiring from Bleed Pressure Sensor (8HA1) pin A/3 and pin A/4 to BMC2 (1HA2) pin AA/2F and pin AA/1F ASM 361102.
(a) If the wiring is damaged:
1 Repair or replace the wiring .
(2) After the subsequent flight, make sure that the fault does not continue.

[Rev.8 from Aug 2018] 2026.04.04 04:33:54 UTC