Internal Failure of the ADR 3 Identified by the ECAM 1

TASK 34-13-00-810-834-A
Internal Failure of the ADR 3 Identified by the ECAM 1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-50-00-710-001	Ground Scanning of the Central Warning System
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU

3. Fault Confirmation
Subtask 34-13-00-710-080-A

A. Test
Do the operational test of the central warning systems (system 1) AMM 31-50-00-710-001.

4. Fault Isolation
Subtask 34-13-00-810-083-A

A. If the test gives the maintenance message FWC 1 : NO DATA FROM ADC 3:

Subtask 34-13-00-710-081-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:23 UTC