# SDR AALA202312114065

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 2023
- Submitted: December 11, 2023
- Operation: Air carrier
- Aircraft: [N549UW](https://openairdocs.org/aircraft/N549UW), registered now
- Make and model: Airbus A320*
- Aircraft serial: 4932
- Aircraft time: 39,367 hours, 15,300 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Part number: DHE1141
- Condition: Warning Message
- Location: Zone 800 - Doors
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202312114065

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: L2 DOOR REPORTED INDICATED OPEN DURING FLIGHT WITH NO CHANGE IN PRESSURIZATION. MAINTENANCE REPLACED THE L2 DOOR PROXIMITY DETECTOR PER AMM 52-71-13 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.

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