TC reported RM1 train door not proven closed. TC recycled a few times to clear fault ~~~~~ L3 1612 A1 saloon door DCP swopped to 2612 A1 saloon door. Saloon Door open/close cyclic test - OK. Passed.  Chan SW. 26/02/2020. L3 1612 A1 saloon door J-rail cleaned - Done. Door gauge test - OK. Door open/close timing check within criteria. No FOD found.  Chan GF/Alan/Alcus. 26/02/2020.