Failure of the ADIRU1 Detected by the Cabin Pressure Controller

TASK 34-13-00-810-934-A
Failure of the ADIRU1 Detected by the Cabin Pressure Controller

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 21-31-00-710-002	Operational Test of the Pressure Control and Monitoring
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU

3. Fault Confirmation
Subtask 34-13-00-710-146-A

A. Test
(1) Do the operational test of the pressure control and monitoring AMM 21-31-00-710-002.

4. Fault Isolation
Subtask 34-13-00-810-184-A

A. If the test gives the maintenance message ADIRS1 OUT OF RANGE:

Subtask 34-13-00-710-147-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:29 UTC