TIMS showed car 1707 train doors were not proven closed. TC opened and closed trains doors a few tim es but to no avail. TC performed platform duty to opened andclosed train doors - ok. ~~~~~ 1707 TIMS showed train doors were not proven closed. (L3) TC opened and closed trains doors a few timt proven closed. TC opened and closed trains doors a few times but to no avail. TC performed platform duty to opened/closed train doors - ok.    L3 1707 door lock switch out of criteria causing intermittent DIR - Adjust DLS bolt to requirement. Tested door opearation 20x for DIR/DMI to extinguised - OK. Door gauge test 10/20mm - Satis. Door Resistance test - OK. Lee JC 44587 FOR FURTHER INVESTIGATION Checked door close gap(63.5mm)within criteria. Checked DCS & DLS limit switches - able to activate. Lee JC 44588