As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, THE FLIGHT ATTENDANT REPORTED SMOKE FROM THE AFT GALLEY CENTER OVEN. AIRCRAFT RETURNED TO MSP, NO EMERGENCY WAS DECLARED. CHECKED FOR EVIDENCE OF FOOD OR PAPER, NONE FOUND. PULLED AND COLLARED OVEN CIRCUIT BREAKERS. REPLACED OVEN IN DCA, OPERATIONAL CHECK WAS NORMAL.