What was found
AIRCRAFT WOULD NOT PRESSURIZE AFTER TAKEOFF. RETURNED TO PDX. REMOVED AND REPLACED ELECTRO-PNEUMATIC OUTFLOW VALVE IAW M/M 21-30-03 AND RII21-302. SYSTEM OPS CHECKS GOOD ON GROUND. P/N ON 2091G010800 S/N ON 415 S/N OFF 178.
- Difficulty date
- December 18, 2000
- Submitted
- December 19, 2000
- Operation
- Air carrier
- Aircraft
- N291SW
- Make and model
- Emb EMB120ER
- Aircraft serial
- 120318
- Aircraft time
- 11,191 hours, 16,036 cycles
- Engine
- Pwa PW118B
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.