As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA - FLIGHT ATTENDANT REPORTED HEAVY SMOKE COMING FROM THE NUMBER 1 OVEN. FLIGHT ATTENDANT PULLED THE OVEN"S CIRCUIT BREAKER AND HALON EXTINGUISHER WAS DISCHARGED INTO OVEN AND SMOKE DISSIPATED. FLIGHT LANDED MIA WITHOUT INCIDENT. REPLACED NUMBER ONE OVEN. SYSTEM GROUND CHECK NORMAL OPERATION.