What was found
DURING DESCENT THROUGH 7000FT, OUTFLOW VALVE WENT FULL OPEN WITH LOSS OF CABIN PRESSURE. NO AUTO FAIL LIGHT. REMOVED AND REPLACED AFT OUTFLOW VALVE PER MM.
- Difficulty date
- March 30, 2010
- Submitted
- April 6, 2010
- Operation
- Air carrier
- Aircraft
- N335SW
- Make and model
- Boeing 7373H4
- Aircraft serial
- 23939
- Aircraft time
- 71,211 hours, 63,644 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 711003
- Condition
- Faulty
- Location
- Cabin Pressure
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- P
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.