What was found
BNA - A/C MADE AN AIR RETURN FOR LANDING GEAR, WOULD NOT RETRACT. OVERWEIGHT LANDING. MAINT CYCLED GEAR SEVERAL TIMES, NO CMC OR EICAS MESSAGES NOTED, NO DEFECTS NOTED IAW 32-30-00 AND THE OVERWEIGHT SINKRATE WAS FOUND TO BE WITHIN LIMITS IAW AMM 5-50-02. ALL WORK WAS ACCOMPLISHED AND AC RELEASED FOR SERVICE. NO PARTS WERE REPLACED.