# SDR AALA202601207463

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2026
- Submitted: January 20, 2026
- Operation: Air carrier
- Aircraft: [N560UW](https://openairdocs.org/aircraft/N560UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5300
- Aircraft time: 39,865 hours, 16,391 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800
- Stage of operation: TX
- 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/AALA202601207463

## Discrepancy

AIRCRAFT WAS GROUNDED: AFTER FLIGHT ATTENDANTS ARMED THE DOORS FOR DEPARTURE THE FLIGHT ATTENDANTS PANEL IS NOT SHOWING THE 2L DOOR ARMED AND THE MESSAGE CHECK DOOR PRESSURE IS DISPLAYED. MAINTENANCE SERVICED DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00 WHICH CLEARED THE FAULTS.

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