TC reported cab door stuck when closing.Opened and closed a few times to clear fault. ~~~~~ 3688 TC reported cab door stuck when closing. Opened and closed a few times to clear fault.  3688 A/S cab door found magnet switch bracket allen screw loose and shaky. Apply loctite and retightened. Cab door function check - OK. No FOD found. Roller condition ok. DIR able to extinguish.  Sarma/Alan/Lee PT/Kamarul 45199