# SDR AALA202610116860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2026
- Submitted: October 12, 2026
- Operation: Air carrier
- Aircraft: [N524UW](https://openairdocs.org/aircraft/N524UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3977
- Aircraft time: 57,191 hours, 21,904 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800 - Doors
- Stage of operation: NR
- 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/AALA202610116860

## Discrepancy

AIRCRAFT WAS GROUNDED: CABIN DOOR PRESSURE ALERT FOR THE L1 DOOR ON THE FORWARD FLIGHT ATTENDANT CONTROL PANEL. MAINTENANCE SERVICED L1 ENTRY DOOR ASSIST BOTTLE PER AMM 52-10-00.  ALL CHECKS OK.

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