What was found
STL - DURING CRUISE, MADE EMERGENCY DESCENT DUE TO UNCONTROLLABLE CABIN PRESSURIZATION. REMOVED AND REPLACED CRACKED LEFT OUTFLOW VALVE AIR CONDITIONING SENSING LINE. OPS CHECK NORMAL. (M)
- Difficulty date
- June 27, 1997
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N54344
- Make and model
- Boeing 727231
- Aircraft serial
- 21631
- System (JASC)
- 2130 · Cabin Pressure Control System
- Part
- Sensing Line
- Condition
- Cracked
- Location
- Lt Outflow Vlv
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.