As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, OVEN NR 2 IN GALLEY NR 1 EMITTED SMOKE UNTIL THE CIRCUIT BREAKER WAS PULLED. ELECTRIC SMELL WAS NOTED AS WELL. MAINTENANCE CHECKED THE OVEN CONTROLLERS AND OVENS AND REPLACED THE NR 2 OVEN CONTROLLER. OPERATIONAL CHECKS WERE GOOD.