As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT, OVEN NR 6 IN COACH GALLEY WAS SMOKING FROM BEHIND OVEN. FLIGHT ATTENDANT REPORTED ELECTRICAL SMELL. CLEANED NUMBER SIX OVEN AND RAN NUMBER 6 AND NUMBER 5 OVENS AND AFT GALLEY RIGHT CHILLER. SYSTEM GROUND CHECKED NORMAL OPERATION.