What was found
AFTER TOUCHDOWN, HALFWAY DOWN THE RUNWAY, THE AIRCRAFT PULLED TO THE LEFT OF THE CENTER LINE AFTER APPLICATION OF BRAKES. TAXI TO GATE WAS UNEVENTFUL AND BRAKES SEEMED NORMAL. NO EXCESSIVE BRAKING WAS USED AND NO CAUTIONS ILLUMINATED. REMOVED FROM SERVICE. PERFORMED GVI OF WHEELS AND BRAKES IAW Q400 AMM TASK 32-40-00-210-802, NO DEFECTS NOTED. PERFORMED GVI OF MLG BRAKES AND HYD LINES IAW Q400 AMM TASKS 32-40-00-210-803 AND 32-40-00-210-804. NO DEFECTS NOTED. COULD NOT DUPLICATE. RETURNED TO SERVICE. NO PARTS REPLACED.