Internal Failure of the ADR 1 Identified by the EFCS 1

TASK 34-13-00-810-804-A
Internal Failure of the ADR 1 Identified by the EFCS 1

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 34-13-00-740-053-A

A. Test
Do the BITE test of the EFCS (Ground Scanning) (system 1) AMM 27-96-00-740-001.

4. Fault Isolation
Subtask 34-13-00-810-053-A

A. If the test gives the maintenance message ADR1:

Subtask 34-13-00-740-054-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:21 UTC