Front M1 A2 train doors not proven closed. TC reopened and closed train doors once to clear the faul t. Front M1 A2 train doors not proven closed. TC reopened an d closed train doors once to clear the fault. ~~~~~ 1536 A2 train doors not proven closed. TC reopened and closed train doors once to clear the fault. WDL SB (CE : 1536 A2 door proven open and closed. No abnormality)  1536 A2 door performed the following checks : FOD found: N Weather strip condition: Y Roller condition ok: N, LHS inner roller pitted Clean J-rail & guide rail: Y 10/20mm gauge test pass: Y Push/pull gauge test pass: Y Manifold & actuator leaking: N Door cyclic test 20x, DIR extinguish ok: Y TIMS door static timing test pass: Y Door magnet valve no residue voltage when closed: Y Replaced #1536 A2 LHS inner Roller.  Chan SW/Redzwan 45505