What was found
CABIN ALT WARNING HORN AT FL 340, CABIN ALTITUDE 10,500. REMOVED AND REPLACED MAIN OUTFLOW VALVE PER MM.
- Difficulty date
- August 15, 2011
- Submitted
- August 16, 2011
- Operation
- Air carrier
- Aircraft
- N317WN
- Make and model
- Boeing 7373Q8
- Aircraft serial
- 24068
- Aircraft time
- 66,127 hours, 46,141 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 711003
- Condition
- Faulty
- Location
- Cabin Pressure
- Stage of operation
- UK
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.