What was found
PRESSURIZATION SYSTEM AFT OUTFLOW VALVE FAILED TO OPEN. INVESTIGATION FOUND A DEFECTIVE AC MOTOR AND AC POTENTIOMETER.
- Difficulty date
- December 12, 2005
- Submitted
- June 6, 2006
- Operation
- General aviation
- Make and model
- Boeing 737476
- Engine
- Cfmint CFM563C
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 7110033
- Condition
- Failed
- Location
- Cabin Pressure
- Part time
- 37,637 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.