# SDR AALA202606220591

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2026
- Submitted: June 22, 2026
- Operation: Air carrier
- Aircraft: [N422AN](https://openairdocs.org/aircraft/N422AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10159
- Aircraft time: 21,224 hours, 5,775 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Proximity Sensor
- Part number: DHE1141
- Condition: Faulted
- Location: Zone 800
- Stage of operation: CR
- 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/AALA202606220591

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DOOR 4L SLIDE DISARMED IN FLIGHT. MAINTENANCE REPLACED DOOR ARM HANDLE DETECTOR PROXIMITY SWITCH AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK PER AMM 52-73-11 WITH NO ISSUES NOTED.

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