Engine 1 Bleed-Manifold Pressure Sensor Measurement Failure

TASK 36-11-00-810-A00-A
Engine 1 Bleed-Manifold Pressure Sensor Measurement Failure

1. Possible Causes

XDCR-BLEED TRANSFER PRESS, ENG 1 [7HA1]
wiring

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
ASM 361101
AMM 36-11-15-000-802	Removal of the Bleed Transferred Pressure-Transducer
AMM 36-11-15-400-802	Installation of the Bleed Transferred Pressure-Transducer
AMM 36-11-15-720-802	Functional Test of the Bleed Transferred Pressure-Transducer with the Bleed Test Set P/N 98D36109001000

3. Fault Confirmation
Subtask 36-11-00-740-100-A ** ON A/C NOT FOR ALL

A. Test
(1) Not Applicable

4. Fault Isolation
Subtask 36-11-00-810-404-A ** ON A/C NOT FOR ALL

A. If the fault symptom is identified by the maintenance message TRANSF-PRESS XDCR (7HA1)/WRG:
(1) Do the functional test of the XDCR-BLEED TRANSFER PRESS, ENG 1 [7HA1] AMM 36-11-15-720-802
(2) If the test is not OK:

Replace the XDCR-BLEED TRANSFER PRESS, ENG 1 [7HA1] AMM 36-11-15-000-802 AMM 36-11-15-400-802.

Subtask 36-11-00-810-405-A ** ON A/C NOT FOR ALL

B. If the fault continues:
(1) Do a check of the wiring from Bleed Manifold Pressure Sensor (7HA1) pin A/1 to BMC1 (1HA1) pin AB/14F ASM 361101.
(a) If the wiring is damaged:
1 Replace or repair the wiring .
(2) Do a check of the wiring from Bleed Manifold Pressure Sensor (7HA1) pin A/3 and A/4 to BMC1 (1HA1) pin AA/2D and pin AA/1D ASM 361101.
(a) If the wiring is damaged:
1 Replace or repair the wiring .
(3) Do a check of the wiring from Bleed Manifold Pressure Sensor (7HA1) pin A/3 and A/4 to BMC2 (1HA2) pin AA/1H and pin AA/2H ASM 361101.
(a) If the wiring is damaged:
1 Replace or repair the wiring .
(4) After the subsequent flight, make sure that the fault does not continue.

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