What was found
CABIN FAILED TO PRESSURIZE. THE CABIN ALTITUDE WAS UNCONTROLLABLE. DESCENDED TO 14,000 FEET TO STABILIZE PRESSURE. DIVERTED BACK TO DEN. *S/D* FOUND BIRD JAMMED IN SHUTOFF VALVE. REPLACED VALVE AND REMOVED REMAINS OF BIRD.
- Difficulty date
- April 18, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7289U
- Make and model
- Boeing 727222
- Aircraft serial
- 21567
- Engine
- Pwa JT8D15
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Valve
- Condition
- Fod
- Location
- Pressure Sys
- Component
- TSK56697
- 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.