Train doors at FDT car A2 side not proven closed. TC recycled once - SM CCK feedback the door recycl ed by itself after closing.. SM CCK isolated the faulty trai n door at KRJ SB. Staff MSL helped to paste the sticker. ~~~~~ Train doors at FDT car A2 side not prove #3681-A2 door fault code 043(3 times) before door mat=63.4 push/pull 6kg.DCS to plate 15mm,Check guide rail,Jrail no FOD.Service clean A2    door guide J-rail.Door timing open/close satis,Check DLS-red mark ok.DLD rubber cushion intact ok.Found RHS door having squeeking sound,remove door and service & clean roller.No squeeking sound after service.after door mat-63.1,push/pull-5.5kg.door cyclce test few times-ok. Done by Saini/Zulq  10/02/22