TC reported front DT A2 door not provenclosed. Opened and closed few times to no avail. Staff(TAM) checked and push closed the train door at TAMWB and SIMWB fo r train to depart. ~~~~~ CE: 3681 A2 door isolated. L3 3681 ER & PTU D/L & found Code 043 - CLE (Close Operation Timeout). Checked for any FOD - OK. Door resistance check  - 4 kgf. Weather strip check -OK.  Au TK. 14/05/2021. L3 3681 A2 door rubber strips measured at 64mm - OK. Removed A2 saloon door & checked door rollers - OK. Cleaned the door rollers & door guide rails. Measured points of open door & criteria passed. Reinstalled #3681 A2 saloon door. Security/function test door operation - OK. Performed door cyclic test 10 times - OK.  Azmi/Khairul/Isam/Zaidi. 15/05/2021.