As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE "L, WSHLD HEAT" CAUTION MESSAGE IN FLIGHT RESET PER QRH. RETURNED AFTER A COUPLE OF MIN. SMELLED ELECTRICAL SMOKE. L, WHSLD HEAT (A11) AND HEATER CONTROLLER (F12) HAVE POPPED. EMERGENCY DECLARED. FIRE TRUCKS ROLLED AS A PRECAUTION. WINDSHIELD AND SIDE WINDOW ANTI-ICE CONTROLLERS - ONE.