TC reported rear M2 B2 train doors not proven closed. TC reopened and closed train doors once - ok ~~~~~ TC reported rear M2 B2 train doors not p     Check #2557-B2 door no observed FOD.DSS check ok,Door actuator found air leaking from V-packing,secure ok.Door roller check no wobbling or rubbing sound.Door gauge 10/20mm check ok.Door static test ok.Door cyclic test ok. Done by Sanip/Deeshan. 30/06/21