W DOC AIRBUS | TSM A320F

Loss of the IR 1 Data Identified by the DMC 3


TASK 34-14-00-810-977-A
Loss of the IR 1 Data Identified by the DMC 3


1. Possible Causes
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 31-63-34-000-001
Removal of the DMC
AMM 31-63-34-400-001
Installation of the DMC
AMM 34-12-34-000-001
Removal of the ADIRU
AMM 34-12-34-400-001
Installation of the ADIRU
AMM 34-14-00-740-001
Interface Test of the IR
ASM 341401
3. Fault Confirmation
Subtask 34-14-00-740-349-A ** ON A/C NOT FOR ALL
A. Test
Do the interface test of the IR (system 1) AMM 34-14-00-740-001.
4. Fault Isolation
Subtask 34-14-00-810-236-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message
ADIRU1 (1FP1)/DMC3 (1WT3):
   (1) If the fault continues:
     (a) If the fault continues:
  • do a check and repair the wiring between the ADIRU1 (1FP1) and the DMC3 (1WT1). ASM 341401
Subtask 34-14-00-740-350-A ** ON A/C NOT FOR ALL
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:32:53 UTC