What was found
ANTI-ICE VALVE GOING INOP, FLT DIVERTED. R2 WINDOW OVERHEATS. REPLACED WINDOW. SUSPECT CONTROLLER OVERHEAT THERMOSTAT AS CAUSE. CB'S E30 &E31 PULLED. REPLACED CONTROL & OVERHEAT THERMOSTATS. STATUS MESSAGE CLEARED AND DID NOT RETURN.
- Difficulty date
- February 15, 2010
- Submitted
- February 18, 2010
- Operation
- Air carrier
- Aircraft
- N116UA
- Make and model
- Boeing 747422
- Aircraft serial
- 26908
- Aircraft time
- 45,971 hours, 5,425 cycles
- Engine
- Pwa PW4056
- System (JASC)
- 3040 · Windshield/Door Rain/Ice Removal
- Part
- Window
- Condition
- Overheated
- Location
- Cockpit
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.