What was found
FLIGHT EXPERIENCED PRESSURIZATION PROBLEMS AFTER DEPARTING ORD. CABIN RATE OF DESCENT EXCESSIVE DURING ASCENT. RETURNED TO ORD. *S/D* PROBABLE CAUSE WAS TRACED DOWN TO THE CABIN PRESSURE CONTROLLER. REPLACED CABIN PRESSURE CONTROLLER.
- Difficulty date
- October 29, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7445U
- Make and model
- Boeing 727222
- Aircraft serial
- 21899
- Engine
- Pwa JT8D15
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Condition
- Failed
- Location
- Cabin Pressure
- Component
- Hamilton Sta · 7638101
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.