# SDR AALA202606113733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2026
- Submitted: June 11, 2026
- Operation: Air carrier
- Aircraft: [N400AN](https://openairdocs.org/aircraft/N400AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 8647
- Aircraft time: 24,838 hours, 6,875 cycles
- System (JASC): [5220 · Emergency Exits](https://openairdocs.org/jasc/5220)
- Part: Bottle
- Part number: FE277001
- Part serial: FR8478
- Condition: Leaking
- Location: Zone 800
- Part time: 24,832 hours, 68,784 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/AALA202606113733

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: L3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER SHOWS ZERO PSI. REPLACED DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-14.

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