What was found
UNABLE TO CONTROL CABIN PRESSURE AT 29,000 FEET IN AUTO, MANUAL OR STANDBY. ALTITUDE WARNING HORN SOUNDED. DESCENDED TO 25,000 FEET AND SYSTEM STARTED OPERATING OK. *S/D* REPLACED PRESSURE CONTROLLER.
- Difficulty date
- April 21, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7275U
- Make and model
- Boeing 727222
- Aircraft serial
- 21422
- Engine
- Pwa JT8D15
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Condition
- Failed
- Location
- Cabin
- Component
- Hamilton Sta · 7638101
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.