Train doors at rear M1 car were not proven closed.TC opened and closed train doors twice to clear fault. ~~~~~ CHECK SALOON DOORS AT #1619 NO FAULT FOUND.CHECK TIMS FOR FAULT CODE NO FAULT CODE FOUND.NO FOD FOUND.WEATHER STRIPS AND ROLLER CONDITION OK.CLEAN J RAIL AND GUIDE RAIL OK.DOOR PUSH AND PULL OK.DOOR NOT WOBBLING.DOOR CYCLIC TEST OK.DIR EXTINGUISH.TIMS DOOR STSTIC TIMING TEST OK.DOOR LOCK SWITCH OK. SIDE FINDING #3619 B1 DOOR FOUND WOBBLING WHEN OPEN AND CLOSE.FURTHER CHECK FOUND DOOR ROLLER DAMAGED.REPLACE ROLLER OK.PERFORM DOOR CYCLIC TEST 20X OK.DIR EXTINGUSHED.PUSH/PULL DOOR SMOOTH OK NO WOBBLE OK.PERFORM DOOR 20MM CHECK OK. SHAIK/HAFIZ/YUSRI/SURENDAR/HAIRUL S 07.11.2023