Train door at car 3630, A1 door were slow in closing since SOM. Staff (RFP) checked at RFP NB and co nfirmed car 3630 A1 door did not fullyclosed. Staff (RFP) pushed to close the train door. ~~~~~ 3630 A1 Train door were slow in closing since SOM. Staff(RFP) checked at RFP NB and confirmed 3630 A1 door did not fully closed. Staff (RFP)pushed to close the train door.  3630 A1 LHS door & 3630 A1 RHS door big roller worn. Replaced both rollers. Security/function check - OK.  Kamarul/Shafie/Lee PT 44907