What was found
CABIN KEPT CLIMBING TO 12000, ACTUAL ALTITUDE 27000. TRIED STANDBY AND MANUAL AC-DC. NO HELP. OUTFLOW VALVE CLOSED ALL THE TIME. DESCENDED AND RETURNED TO OAK.
- Difficulty date
- July 14, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N7293U
- Make and model
- Boeing 727222
- Aircraft serial
- 21571
- Engine
- Pwa JT8D15
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Pressurization
- Condition
- Malfunctioned
- Location
- Cabin
- 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.