As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED SMOKE IN THE COCKPIT. HE TURNED OF THE GLARESHIELD LIGHTING AND THE SMOKE STOPPED. FOUND GLARESHIELD FLORESCENT TUBE LEAD WIRES ARCING TO GROUND. REPLACED FLORESCENT TUBE WITH NEW FLORESCENT TUBE AND INSULTED LEAD WIRE ENDS. OPERATIONAL CHECK SATISFACTORY. ALL WORK PERFORMED IAW THE MM. (K)