# SDR USAA2010091091975

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2010
- Submitted: September 13, 2010
- Operation: Air carrier
- Aircraft: [N538UW](https://openairdocs.org/aircraft/N538UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4050
- Aircraft time: 3,018 hours, 1,152 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bottle
- Part number: FE240007
- Part serial: FR0352
- Condition: Low Pressure
- Location: L4 Door
- Part time: 3,018 hours, 1,152 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA2010091091975

## Discrepancy

FLT 938 - CLT - EES - CIDS PANEL SHOWS LOW PRESSURE ON SLIDE/CABIN DOOR 4L.  MAINTENANCE SERVICED 4L DOOR ASSIST BOTTLE IAW AIRBUS MAINTENANCE MANUAL 52-10-00-03.

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