Failure of the Pressure Transducer of the L Total Pressure ADM

TASK 34-11-00-810-812-A
Failure of the Pressure Transducer of the L Total Pressure ADM

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 34-11-17-000-001	Removal of the Air Data Module
AMM 34-11-17-400-001	Installation of the Air Data Module
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU
AMM 34-13-00-740-002	INTERFACE TEST of the ADR
ASM 341303

3. Fault Confirmation
Subtask 34-11-00-740-072-A

A. Test
Do the Interface test of the ADR (system 1) AMM 34-13-00-740-002.

4. Fault Isolation
Subtask 34-11-00-810-061-B

A. If the test gives the maintenance message ADM1 (19FP1):

(1) If the fault continues:

(a) If the fault continues:

do a check and repair the wiring between L total pressure ADM (19FP1) and the first terminal block pins A/A, C, E ASM 341303.

Subtask 34-11-00-740-073-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:14 UTC