W DOC AIRBUS | TSM A320F

AFT Cargo-Compartment Fan Fault

TASK 21-28-00-810-805-A
AFT Cargo-Compartment Fan Fault

1. Possible Causes
  • AFT CARGO FAN [35HN]
  • ZONE CONTROLLER [8HK]
  • wiring
  • CARGO VENT CONTROLLER [10HN]
  • CONT-AIR COND SYSTEM 1 [47HH]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 212802
AMM 21-28-34-000-001
Removal of the Ventilation Controller
AMM 21-28-34-400-001
Installation of the Ventilation Controller
AMM 21-28-54-000-001
Removal of the Aft Cargo-Compartment Ventilation Extraction-Fan
AMM 21-28-54-400-001
Installation of the Aft Cargo-Compartment Ventilation Extraction-Fan
AMM 21-61-00-710-001
Operational Test of the Pack Temperature-Control System
ASM 216101
AMM 21-61-34-000-002
Removal of the Air-Conditioning System Controller
AMM 21-61-34-400-002
Installation of the Air-Conditioning System Controller
ASM 216301
AMM 21-63-34-000-001
Removal of the Zone Controller
AMM 21-63-34-400-001
Installation of the Zone Controller
3. Fault Confirmation
Subtask 21-28-00-710-053-B
A. Test
   (1) Make sure that the CB's 30HN and 31HN are closed.
   (2) Do the operational test of the pack temperature-control system
AMM 21-61-00-710-001.
4. Fault Isolation
Subtask 21-28-00-810-057-A ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message AFT CARGO FAN OR SPLY:
   (1) If the fault continues:
   (2) If the fault continues:
     (a) Do a check and repair the wiring ASM 216301 from:
  • the ZC (8HK) to the VC (10HN).
   (3) If the fault continues:
   (4) If the fault continues:
  • do a check and repair the wiring ASM 212802 and ASM 216101 from:
  • the VC (10HN) to the ZC (8HK),
  • the VC (10HN) to the FAN (35HN),
  • the VC (10HN) to ground,
  • the VC (10HN) to the CB (30HN),
  • the VC (10HN) to the CB (31HN) and,
  • the FAN (35HN) to ground.
Subtask 21-28-00-810-057-D ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message AFT CARGO FAN OR SPLY(35HN):
   (1) If the fault continues:
   (2) If the fault continues:
     (a) Do a check and repair the wiring ASM 216301 from:
  • the ACSC1 (47HH) to the VC (10HN).
   (3) If the fault continues:
   (4) If the fault continues:
  • do a check and repair the wiring ASM 212802 and ASM 216101 from:
  • the VC (10HN) to the ACSC1 (47HH),
  • the VC (10HN) to the FAN (35HN),
  • the VC (10HN) to ground,
  • the VC (10HN) to the CB (30HN),
  • the VC (10HN) to the CB (31HN) and,
  • the FAN (35HN) to ground.
Subtask 21-28-00-710-062-A
B. Do the test as given in the Para. 3.A.
5. Close-up
Subtask 21-28-00-860-053-A
A. Put the aircraft back to its initial configuration.
[Rev.8 from Aug 2018] 2026.04.04 04:24:40 UTC
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