# SDR AALA202510313397

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2025
- Submitted: October 31, 2025
- Operation: Air carrier
- Aircraft: [N990AU](https://openairdocs.org/aircraft/N990AU), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7336
- Aircraft time: 27,671 hours, 11,016 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Bottle
- Part number: FE277000
- Part serial: 443
- Condition: Leaking
- Location: Zone 800
- Part time: 72,755 hours, 27,893 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202510313397

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: R2 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER EMPTY. REPLACED DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-14.

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