As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED AN AIR TURN BACK DUE TO SMOKE COMING FROM THE FORWARD GALLEY OVENS. CREW FOLLOWED THE QRH AND PULLED CIRCUIT BREAKERS. SMOKE DISSIPATED BUT EXCESSIVE HEAT REMAINED IN THE AREA. MAINTENANCE FOUND THAT ALL THREE FORWARD GALLEY OVENS HAD EVIDENCE OF SMOKE. REPLACED THE OVENS.