Pax feedback to staff (CCK) Rear DT carB2 train doors was rattling when opening. Staff (ADM) checke d and confirmed Rear DT car B2 door was slow in closing, how ever there was no abnormalities. Pax feedback to staff (CCK) ~~~~~ Pax feedback to staff (CCK) Rear DT car   Checked and confirm B2 RHS outter door roller delaminatio, replaced and function test ok. Door static test ok. Done By: Koh, Jack 45111