What was found
IAH - FLIGHT 2446 - THE CREW REPORTED A LANDING GEAR AIR / GROUND FAIL MESSAGE ON EICAS. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, RESET THE AIR/GROUND CIRCUIT BREAKERS, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.