TC reported TIMS show car 1620 "B2" dooropen in motion. Staff (YWT) checked and informed the door i ndicator like flashing intermittently. TC reported TIMS showcar 1620 "B2" door open in motion. Staff (YWT) checked and ~~~~~ TC reported TIMS show car 1620 "B2" door open in motion. Staff (YWT) checked and informed the door indicator like flashing intermittently.  Check no fault code.Check the above mention reported 1620 B2 outer roller(RHS) damage. Replaced roller done. Check DLS, DLD,DCS, Push/Pull ok, door rubbing mark no abnormalities and FOD ok. Clean Jrail and guide rail, Door open and closed Several times and door static test okay Done by Saini/Haslan 45163