# SDR AALA202507306949

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2025
- Submitted: July 30, 2025
- Operation: Air carrier
- Aircraft: [N549UW](https://openairdocs.org/aircraft/N549UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4932
- Aircraft time: 44,593 hours, 17,790 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Warning Light
- Part number: 2LA00546900
- Condition: Illuminated
- Location: Zone 800
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202507306949

## Discrepancy

AIRCRAFT WAS GROUNDED: DOOR 3L SLIDE WILL NOT ARM. MAINTENANCE REPLACED THE 3L DOOR PROXIMITY SWITCH 6WN1 PER AMM 52-73-11 (AALA202507303731) AND REPLACED THE SLIDE ARMED INDICATOR LIGHT AT 3L DOOR PER AMM 52-73-21. (AALA202507306949) A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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