TC reported TIMS showed obstacle detected at the Rear M1 car B3 door. SM(SIM) checked and found thattrain door didn't fully open at TNM WB. SM feedback at BDK WB the rear M1 B3 door opened as per normal. But at KEM WB t ~~~~~ FOUND 1643 B3 DOOR LHS DOOR LEAF ROLLER WORN OUT AND CHIPPED O .C/O ROLLER AND FUNCTION TEST OK.DOOR CYCLIC TEST.DCS,DLS,PUSH BACK DEVICE.DOOR RESISTANCE AND DOOR WEATHER STRIP OK.20MM OBSTACLE DETECTION OK.SECURITY CHECKED OK .JIMMY/TEH/RAGHU 19.12.2022