Loss of the TAT Sensor 1 Input on the ADR1

TASK 34-13-00-810-909-A
Loss of the TAT Sensor 1 Input on the ADR1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 30-31-00-810-803-A	Loss of the GND/FLT Information (PHC 1)
AMM 30-31-00-710-001	Operational Test of the Probe Ice Protection
ASM 341102
AMM 34-11-18-000-001	Removal of the TAT Sensor
AMM 34-11-18-400-001	Installation of the TAT Sensor
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

3. Fault Confirmation
Subtask 34-13-00-740-217-A

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

4. Fault Isolation
Subtask 34-13-00-810-158-B

A. If the test gives the maintenance message TAT SENSOR (11FP1)/ ADIRU1 (1FP1):

(1) If you cannot start the test:

(2) If the test is OK:

(a) If the fault continues:

1 If the fault continues:

do a check and repair the wiring from the TAT sensor 1 to the ADIRU1 ASM 341102.

Subtask 34-13-00-740-218-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:40:01 UTC