Train doors at car 3617 were not provenclosed. TC recycled train doors once - ok. Fault recur at TA P NB.B1 door. Station staff(BSH) checked car 3617 train doors no  ~~~~~ Train doors at car 3617 were not proven     #3617-B1 door FC 933(1 time)Check door matting 65.2 ,push/pull-8.9kg,DCS to plate 15.2mm,DLD rubber cushion ok. DLS red mark visiable.Check guide rail no FOD found.J-rail found deris from roller.Found LHS door wobble.Remove door found 2 rollers damage-replaced.Conduct door timing static test within criteria.Door cyclic test few times-ok. Done by Zulq/Johari/Asruddin   03/8/22