What was found
FLIGHT DIVERTED TO CMH DUE TO LOSS OF CABIN PRESSURE. THE INBOARD SAFETY RELIEF VALVE FAILED OPERATIONAL TEST AND WAS REPLACED. THE CABIN PRESSURE CONTROLLER WAS ALSO REPLACED PRECAUTIONARY.
- Difficulty date
- January 31, 2005
- Submitted
- March 3, 2005
- Operation
- Air carrier
- Aircraft
- N386UA
- Make and model
- Boeing 737322
- Aircraft serial
- 24661
- Aircraft time
- 42,914 hours, 29,928 cycles
- Engine
- Ge CFM56*
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Relief Valve
- Part number
- 106120921
- Part serial
- 890844
- Condition
- Out Of Adjust
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.