What was found
FLIGHT DIVERTED WITH A PRESSURIZATION PROBLEM. OUTFLOW VALVE FREEZING UP. REPLACED OUTFLOW VALVE AND HEAT GASKET. AWAITING SHOP FINDINGS.
- Difficulty date
- February 25, 2008
- Submitted
- December 19, 2008
- Operation
- Air carrier
- Aircraft
- N302UA
- Make and model
- Boeing 737322
- Aircraft serial
- 23643
- Aircraft time
- 60,220 hours, 35,669 cycles
- Engine
- Cfmint CFM563C1
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 7110033
- Part serial
- 101570
- Condition
- Frozen
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.