# SDR USAA2011101000010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2011
- Submitted: October 11, 2011
- Operation: Air carrier
- Aircraft: [N537UW](https://openairdocs.org/aircraft/N537UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4041
- Aircraft time: 6,857 hours, 2,597 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Part number: FE277000
- Part serial: FR1912
- Condition: Low Pressure
- Location: Door
- Part time: 6,893 hours, 2,607 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/USAA2011101000010

## Discrepancy

LEFT AFT DOOR ASSIST BOTTLE BELOW LIMITS.  SERVICED LEFT AFT DOOR ASSIST BOTTLE PER AIRBUS MAINTENANCE MANUAL 52-13-14.

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