# SDR DALA2021091505502

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2021
- Submitted: September 15, 2021
- Operation: Air carrier
- Aircraft: [N809NW](https://openairdocs.org/aircraft/N809NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0663
- Aircraft time: 71,284 hours, 9,374 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Switch
- Condition: Dirty
- Location: Lt Aft Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: C, N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021091505502

## Discrepancy

SHIP 3309 IN FLIGHT HAD DOOR L AFT CABIN L4 ILLUMINATE. NO CABIN PRESS ISSUES. CORRECTIVE ACTION: OP CHECK NORMAL VERIFIED PROX SWITCH CONDITION. CLEANED AND CHECK PROX SWITCH 23MJ AND 25MJ GAPS PER A330 AMM 52-71-11. OK FOR SERVICE. (8082436)

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