Train doors at car 3609 'A3' doors werenot proven closed. TC recycled train doors a few times but t o no avail. StaffYWT) assisted to push close for train to de part.Fault recurred at KRJ SB. Staff(YWT) isolate the defe ERS-103609 - Train doors at car 3609 'A3' doors were not proven closed. TC rec ~~~~~ Train doors at car 3609 'A3' doors were     Check FC 063 on Tim (A3 door) Physical check and doors found RHS roller faulty.Replaced ok.Door cyclic test & static door test ok. Done by Haslan  30/01/23