As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH RT MAIN LANDING GEAR WOULD NOT EXTEND. GEAR EXTENDED MANUALLY BY CREW. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND MOTOR CONTROL RELAY FAULTY. REPLACED MOTOR CONTROL RELAY AND TESTED GEAR RETRACTION. OPERATION IS NORMAL.