What was found
CABIN AUTO INOPERATIVE MESSAGE, FOUND INSULATION BLOCKING PRESSURE RELIEF VALVE. REMOVED INSULATION. CLEARED FAULT ON PRESSURE CONTROLLER. GROUND CHECKS GOOD IAW AMM 21-31-00, 21-32-00.
- Difficulty date
- December 12, 2011
- Submitted
- December 12, 2011
- Operation
- Air carrier
- Aircraft
- N641GT
- Make and model
- Boeing 76738E
- Aircraft serial
- 25132
- Aircraft time
- 67,393 hours, 20,578 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Condition
- Obstructed
- Location
- Cabin Pressure
- Stage of operation
- DE
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.