As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED DUE TO A STRONG ELECTRICAL BURNING SMELL IN THE COCKPIT DURING CRUISE, ISOLATED TO THE GALLEY MICROWAVE OVERHEATING. THE CREW DISCONTINUED MICROWAVE USE AND DIVERTED TO LIML. AIRCRAFT LANDED WITHOUT INCIDENT AT LIML. REPLACED MICROWAVE IAW AMM 25-32-02. TESTED SATISFACTORY.