Train doors at FDT car were not proven closed. TC recycled train doors thrice - ok. ~~~~~ 3656 Train doors were not proven closed. L3 TC recycled train doors thrice to no avail. Staff (BDL) feedback A2 door was not proven closed. Staff assisted to push closed the door for train to depart. Train replaced at JURMT with spare train launched from UPD.(L3) CE checked 3656 All Train Doors Proven Open/Closed. Depot 3656 train doors operational check. L3 3656 A2 door performed the following checks : Check fault code: 3656 FC 043 A2 door CLE FOD found: N    Weather strip condition ok: Y Removed door checked roller condition ok: N, 3656 A2 LHS outer,                                  RHS outer and inner 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 Door gap: 63.5mm Rectification action: Replaced #3656 A2 door rollers to iron rollers.  Justin Kua/Celine Tan 45306