Loss of the MMR Data on the ADIRU2

TASK 34-36-00-810-894-A
Loss of the MMR Data on the ADIRU2

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 34-14-00-740-001	Interface Test of the IR
AMM 34-36-31-000-001	Removal of the ILS Receiver
AMM 34-36-31-400-001	Installation of the ILS Receiver

3. Fault Confirmation
Subtask 34-36-00-740-195-A

A. Test
(1) Do the interface test of the IR (system 2) AMM 34-14-00-740-001.

4. Fault Isolation
Subtask 34-36-00-810-163-A

A. If the test gives the maintenance message
MMR1-GPSSU1(40RT1-1SN1) + MMR2-GPSSU2(40RT2-1SN2) or
MMR1-GPSSU1(40RT1-1SN1) MMR2-GPSSU2(40RT2-1SN2):

read the POST FLIGHT REPORT for other MMR1 (40RT1) and MMR2 (40RT2) maintenance messages (ATA 34-36-31, source IR2).

(1) If there is a minimum of one maintenance message for each MMR:

Subtask 34-36-00-740-201-A

B. Do the test given in Para. 3.

[Rev.8 from Aug 2018] 2026.04.04 04:33:03 UTC