As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AFT GALLEY OVEN BEGAN TO SMOKE WHILE AT CRUISE PORTION OF FLIGHT. THE AFT HALON FIRE EXTINGUISHER WAS USED IN AFT GALLEY OVEN AND THE SMOKE CEASED. BURNED PAPER PRODUCTS WERE FOUND INSIDE OVEN. MAINTENANCE FOUND NO DAMAGE TO OVEN AND NO DEFECTS WERE FOUND. THE OVEN WAS CLEANED AND A NEW FIRE EXTINGUISHER WAS INSTALLED.