As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE FLIGHT AT FL 280, THE PILOT REPORTED THE RT GEAR DOOR OPEN CAS MESSAGE ILLUMINATED AND THEN WENT OUT. THE AIRCRAFT LANDED USING NORMAL PROCEDURES. MAINTENANCE JACKED THE AIRCRAFT AND CYCLED THE LANDING GEAR. THE LANDING GEAR DOOR SWITCH WAS ADJUSTED AND THE GEAR WAS OPERATIONALLY TESTED WITH NO DISCREPANCIES BEING NOTED. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.