# SDR HALA2020120200113

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 2020
- Submitted: December 3, 2020
- Operation: Air carrier
- Aircraft: [N383HA](https://openairdocs.org/aircraft/N383HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1217
- Aircraft time: 42,503 hours, 6,673 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Control Unit
- Condition: Faulted
- Location: Doors
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2020120200113

## Discrepancy

EMERGENCY EQUIPMENT-SHIP 383 ECAM MAINTENANCE STATUS DOORS WITH CLASS 2 FAULT MESSAGE PSCU (5MJ).  CORRECTIVE ACTION: REMOVED AND REPLACED PSCU (5MJ), PER A330 AMM 52-71.  PERFORMED PSCU BITE TEST.  FOUND STATIC HOSE CONNECTED TO AMBIENT PORT OF CABIN PRESSURE SWITCH (40MJ).  CONNECTED STATIC HOSE TO STATIC PORT OF SWITCH, PER A330 AMM 52-71.  OPERATIONS TEST OF CABIN PRESSURE SWITCH GOOD, PER A330 AMM 52-71.  PRESSURE LINE LEAK CHECK GOOD, PER A330 AMM 34-22.  PSCU BITE TEST PASSED.

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