Train doors were not proven closed. TC recycled train doors once - ok. ~~~~~ 3540 B4 DOOR HAVING WOBBLING WHEN OPEN/CLOSE.CHECKED FOUND LHS DOOR ROLLER DEFECT C/O ROLLER AND FUNCTION TEST OK .SECURITY CHECKED OK CONDUCT DOOR CYCLIC TEST AND 10/20 MM TEST PASS.  JIMMY/RAGHU/ BUDIMAN 27.06.2021