# SDR DL31L950602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N835AB
- Make and model: Airbus A310-324
- Registry model: [Airbus A310-324](https://openairdocs.org/model/airbus-industrie-a310-324) (OpenAirDocs)
- Aircraft serial: 650
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Condition: Inop
- Location: Cabin
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL31L950602

## Discrepancy

AFTER TAKEOFF, FORWARD OUTFLOW VALVE FAILED IN FULL OPEN POSITION.  CABIN ALTITUDE FOLLOWED, UNABLE TO PRESSURIZE, RETURNED CVG.  RESEATED C/P ON OUTFLOW VALVE, CLEANED VALVE, PERFORMED BITE ON CONTROLLER, OPERATED SEVERAL TIMES, ALL NORMAL, RETURNED TO SERVICE.

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