What was found
ON GEAR RETRACTION DURING TAKEOFF FROM HSV, THE CREW REPORTED A RED GEAR DISAGREE, TRIPLE CHIME AND A RED BOX FOR THE RT MAIN LANDING GEAR ON EICAS. AIRCRAFT RETURNED TO HSV AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE AIRCRAFT AND ADJUSTED THE RT MAIN LANDING GEAR UPLOCK AND THE NOSE LANDING GEAR UPLOCK USING THE AIRCRAFT MAINTENANCE MANUAL. MAINTENANCE PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. AIRCRAFT WAS RELEASED FOR SERVICE.