Train doors not proven closed at frontM1 car A2 door. TC opened and closed once to clear fault. ~~~~~ Train doors not proven closed at front     Check #1644-A2 (LHS) door roller damage-replaced done.Do physically normal check push/pull resistant,mating strip,DLS,DCS,DLD and clean J-rail & guide rail.Check FOD or rubbing mark ok.Do saloon door open/close function test and static test several times ok. Done by Saini/Asruddin/Zulq  31/05/23