# SDR AALA202604016200

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2026
- Submitted: April 1, 2026
- Operation: Air carrier
- Aircraft: [N523UW](https://openairdocs.org/aircraft/N523UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3960
- Aircraft time: 56,169 hours, 21,448 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202604016200

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: WHILE CLOSING AND ARMING 1L. CHECK DOOR PRESSURE CAUTION MESSAGE ON FORWARD FLIGHT ATTENDANT PANEL. MAINTENANCE SERVICED THE L-1 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER IAW AMM 25-62-49.

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