# SDR DALA2024092609439

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 25, 2024
- Submitted: September 26, 2024
- Operation: Air carrier
- Aircraft: [N827NW](https://openairdocs.org/aircraft/N827NW), registered now
- Make and model: Airbus A330-302
- Registry model: [Airbus A330-302](https://openairdocs.org/model/airbus-a330-302) (OpenAirDocs)
- Aircraft serial: 1716
- Aircraft time: 32,734 hours, 4,157 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Condition: False Indication
- Location: Door Lock
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024092609439

## Discrepancy

ATB - DUE TO 4L DOOR UNLOCKED INDICATION. CORRECTIVE ACTION: INSPECTED LOCKING MECHANISM AND PERFORMED CABIN PRESSURE TEST. FWD TO MEL AS PRECAUTIONARY. THEN R/R PROX SENSOR 3MJ AND CLEANED, LUBED, AND RIGGED DOOR LOCK MECHANISM. OK FOR SERVICE.

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