# SDR 2001UALA02399

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2001
- Submitted: December 26, 2001
- Operation: Air carrier
- Aircraft: [N807UA](https://openairdocs.org/aircraft/N807UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 798
- Aircraft time: 4,772 hours, 13,220 cycles
- Engine: Iae V2522A5
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 90231570381
- Part serial: UA00188482
- Condition: Failed
- Location: Cabin Pressure
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001UALA02399

## Discrepancy

CREW RETURNED TO GATE AFTER CABIN PRESSURE 2 FAULT.  CENTRALIZED FAULT DISPLAY SYSTEM REPORTED OUTFLOW VALVE MOTOR 2 FAULT.  REPLACED VALVE AND CABIN PRESSURE CONTROLLER NR 2 AS PRECAUTION.  NO FURTHER FAULTS REPORTED.  (NOTE: THIS INCIDENT OCCURRED ON THE GROUND SHORTLY AFTER ENGINE START).

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