Pax feedback to staff(ADM) that car 2609, B2 door shakes during closing time. Request staff(YWT) to check and confirmed LHS side door vibrates when train door i s closing. Staff took a video and send to CC. Pax feedback t ~~~~~ 2609 Pax feedback to staff(ADM) B2 door shakes during closing. Request staff(YWT) to check and confirmed LHS side door vibrates when train door is closing. Staff took a video and send to CC.  2609 V2 Door shakes during closing. Checked & found LHS Door roller damaged - Replaced. Cleaned up J-rail & function checked - OK. No DIR. Alan/Lee PT/Shafie 44766