TC reported the screw at the rear DT carpartition door was loose. Difficulties in closing the rear DT car partition door. ~~~~~ 3538 TC reported partition door screw was loose. Difficulties in closing the rear DT car partition door. CE checked:3538 after tightened partition doors screws n door able to closed and locked.  3538 tested door operation for open/close/lock - OK. Checked all screws for security - OK. Kamar 45117