Loss of the ADR3 BUS3 Interface with the EFCS1 Identified by the EFCS1

TASK 34-13-81-810-809-A
Loss of the ADR3 BUS3 Interface with the EFCS1 Identified by the EFCS1

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)
AWM 341126

3. Fault Confirmation
Subtask 34-13-81-740-066-A

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

4. Fault Isolation
Subtask 34-13-81-810-058-A

A. If the test gives the maintenance message ADR3 BUS 3:

do a check and repair the wiring between the terminal blocks 1851VT and 1831VT : between pins 43M, 44N and 3E, 5E AWM 341126.

Subtask 34-13-81-740-067-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:34 UTC