# SDR DALA2021090705279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2021
- Submitted: September 7, 2021
- Operation: Air carrier
- Aircraft: [N816NW](https://openairdocs.org/aircraft/N816NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0827
- Aircraft time: 63,944 hours, 8,468 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Condition: False Activation
- Location: L4 Door
- 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/DALA2021090705279

## Discrepancy

SHIP 3316 DOOR 4L SHOWS OPEN WHEN CLOSED RESET MANY TIMES UNTIL LIGHTS OUT. CORRECTIVE ACTION: PERFORMED BITE OF PSCU PER A330 AMM 52-71. NO FAULTS SHOWN. DOOR OPS TEST GOOD. (7366870)

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