Snap: 1608 train door not open. ~~~~~ Snap: 1608 train door not open. CE: 1608-B4 door during opening and closing slight rolling sound. Bottom rail guide no foreign objects. 3607 All train doors proven open and closed.  1608 B4 door No FC. FOD found: N Weather strip condition ok: Y Checked roller condition ok: N, 1608 B4 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 #1608 B4 door rollers. (all 4 rollers to black iron rollers)  Sarma/Alan/Lee PT/Kamarul/Shafie 45263