What was found
UNABLE TO PRESSURIZE THE AIRCRAFT IN AUTO. CABIN PRESSURE OSCILLATES UP AND DOWN IN STANDBY. *S/D* PRESSURE OSCILLATIONS CAUSED BY A FAILED CABIN PRESSURE CONTROLLER. REPLACED THE CABIN PRESSURE CONTROLLER AND CONTROL PANEL.
- Difficulty date
- October 28, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N322UA
- Make and model
- Boeing 737322
- Aircraft serial
- 23954
- Engine
- Ge CFM56*
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Condition
- Failed
- Location
- Cabin
- Component
- Hamilton Std · 763810X
- 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.