What was found
DIVERTED TO SACRAMENTO DUE TO THE LOSS OF CABIN PRESSURIZATION. *S/D* PROBLEM CAUSED BY FAILURE OF THE SWITCH ON THE OUTFLOW VALVE. THIS SWITCH ALSO CONTROLS THE FORWARD OUTFLOW VALVE.
- Difficulty date
- March 14, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N926UA
- Make and model
- Boeing 737522
- Aircraft serial
- 26648
- Engine
- Ge CFM56*
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Switch
- Condition
- Failed
- Location
- Outflow Valve
- Component
- Hamilton Std · 711003X
- Stage of operation
- NR
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.