What was found
PRESSURIZATION AT FL200 WENT OUT. OUTFLOW CABIN ALTITUDE CLIMBED. TROUBLESHOT SYSTEM IAW MM 21-30-00 AND FOUND PRIMARY OUTFLOW VALVE DOES NOT CLOSE FULLY. R & R OUTFLOW VALVE. OPS CHECKED GOOD.
- Difficulty date
- February 19, 2013
- Submitted
- February 22, 2013
- Operation
- Air carrier
- Aircraft
- N9CJ
- Make and model
- Saab 340B
- Aircraft serial
- 0224
- Aircraft time
- 34,193 hours, 39,431 cycles
- Engine
- Ge CT79B
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 1036804
- Part serial
- 27267
- Condition
- Faulty
- Location
- Cabin Pressure
- Part time
- 34,193 hours, 39,431 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.