# SDR AALA202610102806

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2026
- Submitted: October 11, 2026
- Operation: Air carrier
- Aircraft: [N978UY](https://openairdocs.org/aircraft/N978UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5422
- Aircraft time: 42,722 hours, 17,533 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- 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/AALA202610102806

## Discrepancy

AIRCRAFT WAS NOT GROUNDED: DOOR 4R PRESSURE WARNING. CHECKED AND FOUND DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PRESSURE LOW ON THE R4 DOOR. SERVICED DAMPER AND EMERGENCY OPERATION CYLINDER IAW AMM 52-10-00-614-001-A. PRESSURE WARNING EXTINGUISHED. OK FOR SERVICE NOW.

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