As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT AFTER TAKEOFF THE LANDING GEAR WOULD NOT RETRACT. THE CREW STATED THAT ALL THREE GEARS HAD RED X'S ON THE EICAS. THE CREW FOLLOWED THE QUICK REFERENCE HANDBOOK AND CYCLED THE LANDING GEAR. AFTER A MOVEMENT ALL THREE GEARS, THE GEARS SHOWED DOWN AND GREEN ON THE EICAS. THE CREW RETURNED TO KCVG AND LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS FERRIED, WITH THE LANDING GEAR DOWN AND LOCKED TO KSDF. SDF MAINTENANCE REPLACED THE RIGHT MAIN LANDING GEAR ACTUATOR HOSE. OPERATIONAL CHECKS OF THE LANDING GEAR WERE GOOD WITH NO FURTHER DEFECTS NOTED.