What was found
GEAR DISAGREE MSG ON CLIMB OUT OF CVG. CREW ELECTED TO RETURN TO DEPARTURE AIRPORT. AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE GROUNDED AIRCRAFT. MAINTENANCE ACCOMPLISHED THERMAL IMAGING TEST ON LH MLG IAW 20-10-75. FOUND DRAG BRACE GETTING HOT, BYPASSING. REMOVED AND REPLACED LH DRAG BRACE ACTUATOR IAW B767 AMM 32-30, OPS CHECK GOOD. ACCOMPLISHED MLG+NLG SWINGS IAW B767 AMM 32-32-00 + 32-34-00. ALL SYSTEMS OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.