TC reportedB4 train doors of car 1643and were slow in closing. Fault occurred for 3 consecutive s tations. Staff(KRJ) checked and confirmed doors were slow inclosing. TC reportedB4 train doors of car 1643 and were s ~~~~~ TC reported  B4 train doors of car 1643     #1643-B4 door checked LHS bearing faulty-replaced. Done all function check and door static test and cleaning all ok. Done by Haslan/Asruddin. 11/08/22