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 AFTER THE LANDING GEAR WAS FULLY EXTENDED. LANDED SAFELY. DISCOVERD THAT THE DYAMIC BRAKE RELAY DID NOT TURN OFF THE LANDING GEAR ACTUATOR WHEN THE GEAR WAS FULLY EXTENDED CAUSING THE GEAR MOTOR TO OVERHEAT AND SMOKE.