As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ELECTRICAL ODOR IN CABIN. FLIGHT DIVERTED. DOOR AREA HEATER CB PULLED R12 ON OVERHEAD P11 PANEL TO SEE IF ODOR GOES AWAY. THERE IS NO SIGN OF ANY SMOKE. REPLACED RT AFT DOOR HEATER. WARMING OVEN DIRECTLY BELOW W51 HAD MELTED PLASTIC INSIDE CAUSING BURNED ODOR IN AFT GALLEY. CLEANED OUT OVEN AND RAN FOR SEVERAL HOURS. CHECKS OK. REPLACED OVEN.