As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT LEFT LANDING LIGHT WOULD NOT SHUT OFF. PILOT REPORTED FAINT SMOKE SMELL IN COCKPIT. IINVESTIGATION REVEALED LANDING LIGHT SWITCH HAD SHORTED AND SHOWED SIGNS OF OVERHEATING. THE SWITCH WAS REPLACED AND SYSTEM OPERATED NORMALLY.