T414 3613 TC reported TIMS show Front DT ~~~~~ T414 3613 TC reported TIMS show Front DT(3613) car A1 train door did not open. TC stepped out AMK SB and confirm train door did not open.  3613 A1 Door found LHS main roller delamination,change out done. Matting, Push/pull, DLS red line present, DSS ok. Door function test and door static test ok Done by Sateesh/Gopal 45177