# SDR AALA202604279731

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2026
- Submitted: April 27, 2026
- Operation: Air carrier
- Aircraft: [N910AU](https://openairdocs.org/aircraft/N910AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7876
- Aircraft time: 26,564 hours, 10,637 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: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604279731

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DURING CLIMB PASSING THROUGH 18500, DOOR 3R EMERGENCY EXIT LIGHT ILLUMINATED FOR A FEW SECONDS THEN NORMAL NO CABIN PRESSURE ISSUES.  MAINTENANCE REPLACED THE R3 DOOR DETECTOR PROXIMITY SWITCH PER AMM 52-71-13

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