# SDR USAA2010022490442

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2010
- Submitted: February 24, 2010
- Operation: Air carrier
- Aircraft: [N539UW](https://openairdocs.org/aircraft/N539UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4082
- Aircraft time: 936 hours, 350 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Cylinder
- Part number: FE240007
- Part serial: FR0414
- Condition: Low Pressure
- Location: L4 Door
- Part time: 936 hours, 350 cycles
- Stage of operation: NR
- 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/USAA2010022490442

## Discrepancy

FLT 941 - MSP-PHX - EMERGENCY EGRESS SYSTEM - PASSENGER DOOR L4 CHECK DOOR LOW PRESSURE.  SERVICED DOOR BOTTLE PER AMM 52-22-00.

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