Internal Failure of the IR 3 Identified by the EFCS 2

TASK 34-14-00-810-851-A
Internal Failure of the IR 3 Identified by the EFCS 2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 27-96-00-740-001	BITE Test of the EFCS (Ground Scanning)
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU

3. Fault Confirmation
Subtask 34-14-00-740-132-A

A. Test
Do the BITE test of the EFCS (ground scanning) (system 2) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 34-14-00-810-100-A

A. If the test gives the maintenance message IR3:

Subtask 34-14-00-740-133-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:46 UTC