As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT, WHILE USING THE MICROWAVE, THERE WAS AN AUDIBLE POP, THE MICROWAVE WENT DARK AND THERE WAS AN ELECTRICAL SMELL. AFTER LANDING THE MICROWAVE CB ON THE CES IS LOCKED, AND NONE OF THE OUTLETS IN THE GALLEY OR CREW REST AREA WORK. R&R THE ACPDE#5 DUE TO MICROWAVE INOP DURING FLIGHT. OPERATIONAL CHECKS ARE GOOD. WORK DONE IAW BOMBARDIER BD-700 9475 SMM 24-52-52.