Train doors at Rear DT car were not proven closed. TC recycled train doors once - ok.Fault did notrecur at subsequent stations. ~~~~~ 3608 Train doors at Rear DT(3607) car were not proven closed. TC recycled train doors once - ok. Fault did not recur at subsequent stations.  3607 FC 932 B1 door open operation timeout FOD found: N Weather strip condition ok: Y Roller condition ok: N, LHS outer roller delaminated Clean J-rail & guide rail: Y Push/pull door smooth & no wobble: Y Door cyclic test 20x, DIR extinguish ok: Y TIMS door static timing test pass: Y Door lock switch red line flush with surface for positive latching: Y Door close switch actuating plate distance ok: Y Door gap: 63.9mm Replaced 3607 B1 LHS outer roller. Function test door operation - OK.  Sarma/Sugu/Kamarul/Anand 45230