# SDR 2005UALA00386

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 22, 2005
- Submitted: May 3, 2005
- Operation: Air carrier
- Aircraft: [N434UA](https://openairdocs.org/aircraft/N434UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 592
- Aircraft time: 31,035 hours, 10,951 cycles
- Engine: Iae V2527A5
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 902315703
- Part serial: 9531920
- Condition: Faulty
- Location: Cabin Pressure
- Part time: 31,077 hours, 10,965 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2005UALA00386

## Discrepancy

UNABLE TO CONTROL CABIN PRESSURE IN AUTO OR MANUAL MODE.  OXYGEN MASKS MANUALLY DEPLOYED.  CABIN PRESSURE SYSTEM 1 AND 2 WARNING WITH ASSOCIATED FAULT OF THE OUTFLOW VALVE.  REPLACED THE OUTLFOW VALVE 10HL.

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