What was found
GT840 TLV/AMS OUTFLOW VALVE MESSAGE: OUTFLOW VALVE R ON TAXI OUT FOR TAKEOFF. ACCOMPLISHED CMC GROUND TEST. SYSTEM PASSED, ADVISORY MESSAGE CLEARED. SYSTEM OPERATION OK.
- Difficulty date
- November 13, 2003
- Submitted
- November 21, 2003
- Operation
- Air carrier
- Aircraft
- N493MC
- Make and model
- Boeing 74747UF
- Aircraft serial
- 29254
- Engine
- Ge CF680C2*
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- False Indication
- Location
- Cabin Pressure
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- C, D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.