# SDR DALA2019051503023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 13, 2019
- Submitted: May 15, 2019
- Operation: Air carrier
- Aircraft: [N856NW](https://openairdocs.org/aircraft/N856NW), registered now
- Make and model: Airbus A330-223
- Registry model: [Airbus A330-223](https://openairdocs.org/model/airbus-a330-223) (OpenAirDocs)
- Aircraft serial: 0631
- Aircraft time: 63,219 hours, 7,965 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Condition: Defective
- Location: Cargo Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: N, E
- Precautionary procedure: K, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019051503023

## Discrepancy

SHIP 3356 - ATB - RETURNED TO BOS FOR FWD CARGO DOOR OPEN INDICATION. PRESSURIZATION WAS NORMAL. CREW REPORTED FEELING A VIBRATION. CORRECTIVE ACTION: REPLACED PROX SENSOR 6MJ ON LOG 5791144. AND DEFERRED PER MEL 52-71-01A-AND RETURNED AIRCRAFT TO SERVICE.

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