W DOC AIRBUS | TSM A320F

Loss of the DME1 Data


TASK 34-51-00-810-825-A
Loss of the DME1 Data


1. Possible Causes
  • INTRG-DME, 1 [2SD1]
  • wiring between the DME interrogator 1 and the first terminal block
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 34-51-00-740-002
BITE Test of the DME
ASM 345101
AMM 34-51-33-000-001
Removal of the DME Interrogator
AMM 34-51-33-400-001
Installation of the DME Interrogator
3. Fault Confirmation
Subtask 34-51-00-740-096-A
A. Test
Do the BITE test of the DME (system 1) AMM 34-51-00-740-002.
4. Fault Isolation
Subtask 34-51-00-810-087-A
A. If the test gives the maintenance message DMC1/2 (1WT1/2)/DDRMI(1FN)/DME1(2SD1):
   (1) If the fault stops:
  • replace the DME interrogator that you installed on side 2.
   (2) If the fault continues:
  • remove the DME interrogator 1
  • do a check and repair the wiring between the DME interrogator 1 and the first terminal block : for pins AB/3G, 3H of the DME interrogator 1 ASM 345101
  • install the DME interrogator 1.
Subtask 34-51-00-740-097-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:33:21 UTC