As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHR FLIGHT ATTENDANTS REPORTED OVEN 2 OVERHEATING WITH BURNING ELECTRICAL SMELL IN FLIGHT. FLIGHT LANDED LHR WITHOUT INCIDENT. FIRST CLASS OVEN 2 DEFERRED IAW NEF 25N33A/AUTH 10-5NEF-C. REPLACED NR 2 WARMING OVEN AT DFW ON 10/02/2013. SYSTEM GROUND CHECKED NORMAL OPERATION CLOSED.