Failure of the ADR2 Select Pin-Programming

TASK 34-13-00-810-A01-A
Failure of the ADR2 Select Pin-Programming

1. Possible Causes

ADIRU-2 [1FP2]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU

3. Fault Confirmation
Subtask 34-13-00-700-051-A ** ON A/C NOT FOR ALL

A. Not applicable, you cannot confirm this fault on the ground.

4. Fault Isolation
Subtask 34-13-00-810-267-A ** ON A/C NOT FOR ALL

A. Do a check for a maintenance message on the Post Flight Report (PFR):
(1) If there is no message:

no action maintenance is necessary.

(2) If the PFR gives the maintenance message WRG:IR-ADIRS SELECT PIN PROG
(a) Make sure there is no signal at pin E7.
1 If there is no signal:
a Replace the ADIRU-2 [1FP2] AMM 34-12-34-000-001 and AMM 34-12-34-400-001.
2 If there is a signal:
a Repair it.

[Rev.8 from Aug 2018] 2026.04.04 04:32:33 UTC