TC reported since EUN WB TIMS showed obstacle detected at Rear M1 car B3 door when train doors opene d at every station platform. Fault cleared when train depart s from station. Staff (LVR) checked Rear M1 car B3 train doo ~~~~~ 1616-B3 RHS Door outer roller damaged causing door operation to jerk & stuck. Door isolated & door faulty sticker pasted on the door glass. Raised Ops 20 to follow up.   Yusri / Zohri. 13.03.2023.   1616 B3 RHS & LHS Door outer roller damaged X 4. Replaced roller-Security & Function checked-Ok. Open & Close Speed Pass     : Y. FOD found                   : N. Door Cyclic test 20 X       : Y. Rubbing Mark                : N. Door Push/Pull force (Pass) : Y. Door mating Gap (Pass)      : Y. Door Wobble                 : N.   Ethan. 14.03.2023.