Internal Failure of the IR 1 Identified by the RADAR 1

TASK 34-14-00-810-803-A
Internal Failure of the IR 1 Identified by the RADAR 1

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 34-12-34-000-001	Removal of the ADIRU
AMM 34-12-34-400-001	Installation of the ADIRU
AMM 34-41-00-740-002	BITE Test of the Weather Radar

3. Fault Confirmation
Subtask 34-14-00-740-053-A

A. Test
Do the BITE test of the weather radar (system 1) AMM 34-41-00-740-002.

4. Fault Isolation
Subtask 34-14-00-810-052-A ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message RADAR 1 NO DATA FROM ADIRU:

Subtask 34-14-00-810-052-C ** ON A/C NOT FOR ALL

A. If the test gives the maintenance message ADIRU1 (1FP1) IR BUS/WXR1 (1SQ1):

Subtask 34-14-00-740-054-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:32:42 UTC