# SDR AALA202608170010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2026
- Submitted: August 17, 2026
- Operation: Air carrier
- Aircraft: [N538UW](https://openairdocs.org/aircraft/N538UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4050
- Aircraft time: 52,156 hours, 21,196 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/AALA202608170010

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CHECK DOOR PRESSURE FOR DOOR 1R WHEN CLOSING - MAINTENANCE SERVICED THE R1 DOOR DAMPER AND EMRGENCY OPERATION CYLINDER PER AMM 52-10-00 WHICH CLEARED THE FAULT MESSAGE

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