# SDR FDEA201004061076

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2010
- Submitted: April 13, 2010
- Operation: Air carrier
- Aircraft: [N730FD](https://openairdocs.org/aircraft/N730FD), registered now
- Make and model: Airbus A300 B4-622R
- Registry model: [Airbus A300 B4-622R](https://openairdocs.org/model/airbus-a300-b4-622r) (OpenAirDocs)
- Aircraft serial: 659
- Aircraft time: 33,193 hours, 17,006 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 88005B0306
- Part serial: 1176
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201004061076

## Discrepancy

DURING CLIMB OUT,PASSING ABOUT FL280,RECEIVED RT  CABIN DOOR WARNING LIGHT,AFTER PUSHING DOOR HANDLE  THE DOOR WARNING LIGHT WENT OUT,BUT THE CABIN  PRESSURE CONTINUED TO CLIMB TO 10,000,RESULTING IN  A CABIN PRESS WARNING.   PERFORMED BITE TEST OF NR 2 CABIN PRESSURE CONTROLLER, BITE WAS GOOD. SUSPECT THE FORWARD OUTFLOW VALVE. REMOVED AND REPLACED FWD OUTFLOW  VALVE REF M/M 21-31-12-4.

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