What was found
LHR - CREW REPORTED OVEN 4B HAS BURNING PLASTIC SMELL AND OVERHEATS WHILE IN USE. FLIGHT LANDED LHR WITHOUT INCIDENT. DEFERRED OVEN 4B INOPERATIVE PER NEF. REPLACED OVEN 4B AT JFK ON 12/17/2012. SYSTEM GROUND CHECK NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LHR - CREW REPORTED OVEN 4B HAS BURNING PLASTIC SMELL AND OVERHEATS WHILE IN USE. FLIGHT LANDED LHR WITHOUT INCIDENT. DEFERRED OVEN 4B INOPERATIVE PER NEF. REPLACED OVEN 4B AT JFK ON 12/17/2012. SYSTEM GROUND CHECK NORMAL OPERATION.