TC reported TIMS showed obstacle detected intermittently at Rear M2 car 'B4' door.Staff(CTH) check ed and confirmed Rear M2 car 'B4' door opened and closed nor mally. ~~~~~ #2603 SALOON DOOR B4 RIGHT SIDE DOOR ROLLER FAULTY.REPLACE AND FUNCTION DOOR CHECK OK.FARHAN/ SIR/HUSSIEN/GOPAL 08.10.2023