What was found
CLIMBING THROUGH FLIGHT LEVEL 280, CABIN PRESSURIZATION FAILED IN AUTO MODE AND MANUAL MODE. REMOVED AND REPLACED LEFT AND RIGHT OUTFLOW VALVES. OPS CHECK GOOD PER MM 21-30-51. (M)
- Difficulty date
- January 21, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N290NE
- Make and model
- Boeing 72725
- Aircraft serial
- 18972
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 10328051
- Condition
- Failed
- Location
- Left
- Stage of operation
- CR
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.