As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT MAIN LANDING GEAR DOWN AND LOCKED LIGHT FAILED TO ILLUMINATE IN-FLIGHT DURING APPROACH. THE AIRCRAFT LANDED WITHOUT INCIDENT. INSPECTION OF RIGHT MAIN GEAR ACTUATOR DISCLOSED THE ACTUATOR PISTON WAS NOT TRAVELLING TO THE FULL LOCKED POSITION. LANDINGS: 6,751. (X)