As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MICROWAVE OVEN BEGAN TO SMOKE WHILE IN USE AT FL360. AFTER DECLARING AN EMER & PRESSING THE GALLEY & MICROWAVE OVEN DISABLE SWITCH LIGHTS, SMOKE CONTINUED TO EMIT FROM THE MICROWAVE FOR REMAINDER OF FLIGHT. UPON POST FLIGHT INSPECTION BY FIRE CREW, MICROWAVE WAS FOUND TO BE EXTREMELY HOT. MICROWAVE WAS REMOVED BY FIRE CREW TO PREVENT FURTHER DAMAGE FROM FIRE. R & R THE FAILED MICROWAVE OVEN PN 910-0011-01, SN 15-06-02313 WITH A NEW MICROWAVE OVEN IAW SMM 25-30-03 REV 1. OPERATIONS CHECKED GOOD.