# SDR AALA202602162745

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 15, 2026
- Submitted: February 16, 2026
- Operation: Air carrier
- Aircraft: [N553UW](https://openairdocs.org/aircraft/N553UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4960
- Aircraft time: 44,125 hours, 17,555 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Bottle
- Condition: Low Pressure
- Location: Zone 800
- Stage of operation: NR
- 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/AALA202602162745

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: CIDS PANEL SHOWS DOOR 3R DISARMED, DOOR/OXY PAGE SHOWS ARMED. MAINTENANCE SERVICED THE R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00 WHICH CLEARED THE MESSAGE ON THE CIDS PANEL.

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