What was found
PHX - INFLIGHT MCO-LAX. CREW REPORTED FIRST CLASS OVEN OVERHEATED. FLIGHT ATTENDANT PULLED CIRCUIT BREAKER AND WALL STAYED HOT. EMERGENCY DECLARED FLIGHT DIVERTED PHX LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REMOVED FORWARD GALLEY OVEN AND CHECKED WALLS, CANNON PLUG AND CIRCUIT BREAKER FOR HEAT DAMAGE WITH NONE FOUND. REINSTALLED OVEN AND PLACARD FOWARD GALLEY OVEN PER NEF. REPLACED OVEN AT ORD ON 10/14/2012. SYSTEM GROUND CHECK NORMAL OPERATION.