3644 B4 Saloon door NG. To check & recti ~~~~~ 3644 B4 Saloon door NG. To check & recti     #3644-B4 door ,no FOD found and door tested open & close several times,static and security check ok. Fault found on #3644-B2 door due to push pull resistance fail. Adjusted the mating strip and push pull resistance ok. Replaced both L/R side door roller and door tested ok. Done by Saini/Koh/Haslan/Asruddin. 16/11/20