As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CTR OVEN IN THE FIRST CLASS GALLEY OVERHEATED AND BEGAN TO EMIT SMOKE. THE OVEN WAS TURNED OFF, THE FLIGHT CONTINUED ON AND LANDED UNEVENTFULLY. MZ DEFERRED THE OVEN TO MEL AND LATER REPLACED THE OVEN AND OVEN CONTROLLER. SYS OPS WAS NORMAL AND AFTER THE OVEN AND OVEN CONTROLLER WERE REPLACED. (K)