As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT, THE PRIMARY INVERTER CAUTION LIGHT ILLUMINATED, ALONG WITH CAPTAIN'S FLIGHT INSTRUMENTS WENT DARK AND TRANSPONDER FAILED. FOLLOWED CHECK LIST AND DECLARED AND EMERGENCY. AIRCRAFT LANDED SAFELY. FOUND PRIMARY AND AUX INVERTER CIRCUIT BREAKERS TRIPPED.