TIMS showed obstacle detected at FDT car'A1' doors. TC opened and closed train doors to clear fault . Staff (BBT) checked and confirmed no abnormalities. ~~~~~ TIMS showed obstacle detected at FDT car     #3621-A1 fault code CLE,fault unable duplicate the fault.Further checked door push/pull gauge 10.2kg-RHS and 9.2kg-LHS fail.After remove the both door service door track,bottom guide.After checked push/pull gauge 7.2kg,door gap adjust to 64.5mm(b4 66m)door cycle test 50 times no fault occurred. Done by Jack/Sateesh. 11/06/20