As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3490, THE CREW REPORTED THAT THE RIGHT MAIN LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. THE AIRCRAFT CONTINUED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND FOUND THE RIGHT MAIN LANDING GEAR ACTUATOR TO BE OUT OF ADJUSTMENT. MAINTENANCE ADJUSTED THE AFFECTED ACTUATOR, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.