As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IN CRUISE FROM PDX TO MSP, THE OVEN BEGAN TO SMOKE WHEN IT WAS TURNED ON. THE FLIGHT ATTENDANT TURNED THE OVEN OFF AND PULLED THE ASSOCIATED CIRCUIT BREAKER. THE FLIGHT CONTINUED ON AND LANDED UNEVENTFULLY IN MSP. MAINTENANCE REPLACED THE OVEN AND THE SYSTEM OPERATED NORMALLY AFTER IT WAS REPLACED.