What was found
ON INITIAL CLIMB WHEN THE LANDING GEAR WAS SELECTED UP, THE CREW REPORTED A LG/LEVER DISAGREE MESSAGE ON EICAS AND ALL GEAR INDICATIONS TURNED RED. THE LANDING GEAR LEVER WAS PLACED IN THE DOWN POSITION PER THE QRH AND THE GEAR INDICATION TURNED TO THREE GREEN. THE AIRCRAFT RETURNED TO CMH AND LANDED WITHOUT INCIDENT. MAINTENANCE PERFORMED AN INSPECTION OF THE LANDING GEAR AND CHECKED THE CMC FOR RELATED MESSAGES WITH NONE PRESENT. THE GEAR WAS CYCLED SEVERAL TIMES WITH NO FAULTS. THE AIRCRAFT WAS THEN TEST FLOWN WITH NO FURTHER DEFECTS NOTED.