CCTV showed car 2614 'A4' train doors did not open. Staff(PYL) checked and confirmed the affected tr ain doors only opened for few seconds after the other train doors opened. TIMS indicated tain doors fault. SM(ALJ) isola ~~~~~ FOUND 2614 A4 DOOR LHS ROLLER DEMAGED.C/O TWO NEW ROLLERS.CLEAN J RAIL FUNCTION TEST OK.SECURITY CHECKED OK.JIMMY/RAGHU 05.06.2022