As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN CLIMB TO CRUISE ALTITUDE, NOTICED SMOKE SMELL AND THEN SMOKE IN THE COCKPIT AND CABIN, CONTINUED TO GET WORSE AND THEN A TOTAL ELECTRICAL FAILURE OF ALL COMPONENTS. FOUND LEFT (NR 1) VOLTAGE REGULATOR INOP. SUSPECT THE OVERVOLTAGE RELAY INSIDE THE REGULATOR FAILED. OVERHAULED REGULATOR INSTALLED AND SYSTEM WORKED OK.