# SDR AALA202606302179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2026
- Submitted: June 30, 2026
- Operation: Air carrier
- Aircraft: [N536UW](https://openairdocs.org/aircraft/N536UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4025
- Aircraft time: 50,982 hours, 20,772 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800
- Stage of operation: DE
- 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/AALA202606302179

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT REPORTED 4R NOT ARMED IN DESCENT ON CIDS PANEL. CIDS REPORTS AMBER CHECK DOOR PRESSURE MESSAGE AT GATE. MAINTENANCE SERVICED THE 4R DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-10-00.

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