# SDR 2000UALA00207

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N825UA](https://openairdocs.org/aircraft/N825UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 980
- Aircraft time: 4,282 hours
- Engine: Iae V2527A5
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00207

## Discrepancy

CABIN PRESSURE SYSTEM ONE AUTO MODE FAILED AT FL180.  CABIN VERTICAL SPEED PEGGED AT 1000 FPM UP.  CABIN PRESS AT 2500 FT.  MANUAL MODE WORKED OK.  *S/D*  REPLACED OUTFLOW VALVE (FIN 10HL, MR21301).

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