train prep found #2549 tims show door NG ~~~~~ train prep found #2549 tims show door NG     #2549-A4 door found actuator air leak at V packing nut.Tightened V-packing nut,no leak found.Perform 10-20mm door test ok ,cycle 10times no leak found.Air leak test 0.55bar/5mins. Door open/close within specs. Done by Koh/Faddzal. 12/04/21