As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FINAL APPROACH A BURNING RUBBER ODOR ENTERED COCKPIT. ODOR INCREASED INTENSITY DURING TAXI IN AND BECAME LIKE ELECTRICAL INSULATION. FOUND LT RUNWAY TURNOFF LIGHT SW SHORTING INTERNALLY AND OVERHEATING. FOUND SW AND WIRING BURNT. REPLACED SW AND WIRING PER MM.