# SDR DALA2020120703995

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2020
- Submitted: December 7, 2020
- Operation: Air carrier
- Aircraft: [N818NW](https://openairdocs.org/aircraft/N818NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0857
- Aircraft time: 59,103 hours, 7,602 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Control Unit
- Condition: Failed
- Location: Door Message
- Stage of operation: IN
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020120703995

## Discrepancy

DOOR DET 1 & 2 ECAM MESSAGE DISPLAYED.  CORRECTIVE ACTION: T/S IAW A330 TSM 52-71.  FOUND BAD PSCU R & R PSCU, IAW A330 AMM 52-71.  OPERATIONS CHECK GOOD.

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