As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT APPROXIMATE TIME OF WING LANDING LIGHT ACTIVATION THERE WAS A FAINT ELEC ODOR AND SMALL AMOUNT OF SMOKE. ODOR AND SMOKE DISSIPATED AFTER SWITCHES TURNED OFF. REPLACED LT WING LANDING LIGHT SWITCH. FOUND SIGN OF ARCING ON ONE OF THE TERMINALS.