Internal Failure of the ADR 1 Identified by the EIS1

TASK 34-13-00-810-802-A
Internal Failure of the ADR 1 Identified by the EIS1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 31-60-00-740-002	Perform Electronic Instrument System (EIS) Input Test
AMM 31-60-00-740-007	GROUND SCANNING Test of the DMC
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU

3. Fault Confirmation
Subtask 34-13-00-740-051-A ** ON A/C NOT FOR ALL

A. Test
Do the EIS input test (system 1) AMM 31-60-00-740-002.

Subtask 34-13-00-740-051-B ** ON A/C NOT FOR ALL

A. Test
Do the Ground Scanning Test of the DMC (system 1) AMM 31-60-00-740-007.

4. Fault Isolation
Subtask 34-13-00-810-051-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message DMC1 : NO ADC1 DATA:

Subtask 34-13-00-810-051-B ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message ADIRU3(1FP3)BUSX ADR/DMC1(1WT1)

Subtask 34-13-00-740-052-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:20 UTC