As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT ATTENDANT WENT TO USE THE MICROWAVE IN GALLEY & UPON STARTING THE MICROWAVE, WHITE ELEC SMOKE BEGAN SPEWING FROM BEHIND OR IN THE MICROWAVE. DESELECTED THE GALLEY MASTER SWITCH IN THE COCKPIT & THE SMOKE STOPPED. R & R THE GALLEY MICROWAVE ASSEMBLY WITH A REPAIRED UNIT IAW F2000 EX EASY MM 25-33-17 & 20-00-00, OPERATIONS CHECKED GOOD.