W DOC AIRBUS | TSM A320F

Loss of the ADIRU2 Input A Signal from the SFCC


TASK 34-13-00-810-928-A
Loss of the ADIRU2 Input A Signal from the SFCC


1. Possible Causes
  • SLAT/FLAP CONTR.COMP. [21CV]
  • SLAT/FLAP CONTR.COMP. [22CV]
  • wiring
  • ADIRU-2 [1FP2]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 27-51-34-000-001
Removal of the SFCC
AMM 27-51-34-400-001
Installation of the SFCC
AMM 34-12-34-000-001
Removal of the ADIRU
AMM 34-12-34-400-001
Installation of the ADIRU
AMM 34-13-00-740-002
INTERFACE TEST of the ADR
ASM 341302
3. Fault Confirmation
Subtask 34-13-00-740-239-C ** ON A/C NOT FOR ALL
A. Test
   (1) Do the interface test of the ADR (system 2) AMM 34-13-00-740-002.
4. Fault Isolation
Subtask 34-13-00-810-178-B
A. If the test gives the SFCC1/2 (21CV/22CV)/ADIRU2 (1FP2) AOA INPUT A maintenance message:
   (1) If the fault continues:
   (2) If the fault continues:
Do a check and repair the wiring between:
  • Pin AA/2J of ADIRU2 (1FP2) and pin AB/10K of SFCC2 (22CV)
  • Pin AA/11F of ADIRU2 (1FP2) and pin AB/8D of SFCC1 (21CV)
  • Pin AA/2H of ADIRU2 (1FP2) and the first terminal block ASM 341302.
   (3) If the fault continues:
Subtask 34-13-00-740-240-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:32:29 UTC