As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED SMOKE FROM THE GALLEY OVENS AND PULLED THE OVEN CIRCUIT BREAKERS. MAINTENANCE FOUND GREASE AND CONDENSATION BEHIND OVENS NR 4 AND NR 5. CLEANED BEHIND ALL FOUR OVENS, CHECKED THE WIRING AND LIGHTING. OPERATED OVENS FOR 20 MINUTES WITH NO SMOKE AND NORMAL OVEN OPERATION.