As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH INTO TVC PILOT NOTICED BURNT ELECTRICAL SMELL AND VERY SMALL AMOUNT OF SMOKE IN COCKPIT. PILOT DONNED OXYGEN MASK AND REDUCED ELECTRICAL LOAD PER EMERGENCY CHECKLIST. AIRCRAFT LANDED IN TVC WITHOUT INCIDENT. INSPECTION REVEALED OVERHEATED RIGHT LANDING LIGHT SWITCH AND POSSIBLE OVERHEATED PITOT HEAT SWITCH. SWITCHES REPLACED WITH NEW.