TC reported "A" side cab door had self opened partially with a gap. ~~~~~ #3570 A/S CAB DOOR FOD CHECKED OK.DOOR MOVEMENT VERY SMOOTH.ROLLER OK,J RAIL OK.CHECKED HANDLE MOVEMENT INTERMITTENT STUCK FOUND LOWER CABLE LINK TOUCH WITH CARBODY.TIGHTEN THE WIRE LINK MOVEMENT OK.CHECKED LATCH /CATCH FOUND CATCH MISALIGNMENT HAVINGA GAP BETWEEN LATCH AND CATCH.MICRO SWITCH OK .ADJUSTED CATCH AND REDUCED THE GAP.FUNCTION TEST OK.WEATHER STRIP OK.ZHENG YI/JIMMY/IBRAHIM  26.09.2021