What was found
AT LIFT OFF, AN UNCOMMANDED ACFT ROLLED RT. AT TOUCHDOWN, AT SPEEDBRAKE DEPLOYMENT, ACFT AGAIN ROLLED RT AND REQUIRED SIGNIFICANT LT AILERON INPUT TO KEEP LT MLG ON THE GROUND. REPLACED NR 1 SEC IAW AMM 27-94-34, PB 401. OPS CHECKED GOOD AND OPS CHECK FIGHT WAS SATISFACTORY.