As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE CREW REPORTED THAT THE RIGHT MAIN LANDING GEAR INDICATES DOWN AND LOCKED AFTER GEAR RETRACTION. TROUBLESHOOTING DETERMINED THAT THE RT MAIN LANDING GEAR ACTUATOR WAS DEFECTIVE. THE ACTUATOR WAS REPLACED, AIRCRAFT WAS RETURNED TO SERVICE.