W DOC AIRBUS | TSM A320F

AFT Cabin Temperature Sensor Fault

TASK 21-63-00-810-808-A
AFT Cabin Temperature Sensor Fault

1. Possible Causes
  • TEMP SENSOR AFT CAB [23HK]
  • wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 21-63-00-710-004
Operational Test of the Cockpit and Cabin Temperature Control with CFDS/MCDU
ASM 216302
ASM 216303
AMM 21-63-17-000-001
Removal of the Temperature Sensors
AMM 21-63-17-400-001
Installation of the Temperature Sensors
3. Fault Confirmation
Subtask 21-63-00-710-065-A ** ON A/C NOT FOR ALL
A. Do the operational test of the cockpit and cabin temperature-control system with CFDS/MCDU AMM 21-63-00-710-004.
NOTE: If a fault is detected, the ZC gives a fault code for shop maintenance in addition to the related CFDS message(s). For detailed information see the applicable Page Block 301.
Subtask 21-63-00-710-065-B ** ON A/C NOT FOR ALL
A. Do the operational test of the cockpit and cabin temperature-control system with CFDS/MCDU AMM 21-63-00-710-004.
4. Fault Isolation
Subtask 21-63-00-810-064-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message TEMP SENSOR AFT CAB:
   (1) If the fault continues:
  • do a check and repair the wiring if necessary between:
    SENSOR (23HK) connector A/A and ZC (8HK) connector AA/8A,
    SENSOR (23HK) connector A/B and ZC (8HK) connector AA/8B,
    SENSOR (23HK) connector A/E and ZC (8HK) connector AA/8J,
    SENSOR (23HK) connector A/D and ZC (8HK) connector AA/8K ASM 216303.
Subtask 21-63-00-810-064-B ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message TEMP SENSOR AFT CAB(23HK):
   (1) If the fault continues:
  • do a check and repair the wiring ASM 216302 from:
  • the SENSOR (23HK) to the ACSC2 (57HH).
Subtask 21-63-00-710-066-A
B. Do the test as given in the Para. 3.A.
5. Close-up
Subtask 21-63-00-860-057-A
A. Put the aircraft back to its initial configuration.
[Rev.8 from Aug 2018] 2026.04.04 04:25:00 UTC
"WTRUIB" 2025