As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) LANDING GEAR FAILED TO EXTEND ON APPROACH. EMERGENCY EXTENSION WAS CARRIED OUT AND AIRCRAFT LANDED SAFELY. MAINTENANCE FOUND THAT THE LANDING GEAR MOTOR WAS NO LONGER RUNNING. THE LANDING GEAR RELAY WAS FOUND INTERNALLY DAMAGED WITH THE CONTACTS STUCK IN THE CLOSED POSITION THUS PROVIDING CONTINUOUS POWER TO THE LANDING GEAR MOTOR. THIS CAUSED THE MOTOR TO FAIL. P/N OF RELAY MS24171D1