TC reported Rear DT train doors not proven closed. TC recycle once - ok. Staff(MRB) checked, no abno rmalities. ~~~~~ 3636 TC reported train doors not proven closed. TC recycle once - ok. Staff(MRB) checked, no abnormalities. CE 3636 check doors ops found ok. All doors found proven fully closed. Depot 3636 train doors operational check.  3636 saloon doors performed the following checks : FC: 932 (Saloon door B1 operation timeout: OPE) FOD found: N Weather strip condition ok: Y Checked roller condition ok: N, 3636 B1 LHS outer roller delam Clean J-rail & guide rail: Y Push/pull door smooth & no wobble: Y, after rectification Door cyclic test 20x, DIR extinguish ok: Y, after rectification TIMS door static timing test pass: Y, after rectification Door lock switch red line flush with surface for positive latching: Y Door close switch actuating plate distance ok: Y Replaced #3636 B1 door rollers(all 4 rollers to black iron rollers)  Alif/Daniel 45279