# SDR USAA2009121493332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 13, 2009
- Submitted: December 14, 2009
- Operation: Air carrier
- Aircraft: [N535UW](https://openairdocs.org/aircraft/N535UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 3993
- Aircraft time: 1,577 hours, 458 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Cylinder
- Part number: FE240007
- Part serial: FR0246
- Condition: Low Pressure
- Location: L4 Door
- Part time: 1,577 hours, 458 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2009121493332

## Discrepancy

FLT 253 - PHX - EES - EMERGENCY EXIT DOOR BOTTLE 4L ON FLIGHT ATTENDANT PANEL DISPLAYED.  MAINTENANCE FOUND BOTTLE PRESSURE LOW - SERVICED PER AIRBUS MAINTENANCE MANUAL 52-10-00.

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