As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS IN LEVEL CRUISE FLIGHT VFR PART 91. CREW NOTICED SMOKE IN CABIN/COCKPIT. EMERGENCY PROCEDURES INITIATED. AIRCRAFT LANDED AT ANN ARBOR AIRPORT WITHOUT INCIDENT. OVERHAULED INVERTER INSTALLED. OPERATIONAL CHECK PERFORMED. AIRCRAFT RETURNED TO SERVICE.