3615 B1 door found NG. To check and rect ~~~~~ 3615 B1 door found NG. To check and rectify.     Checked TIMS found no FC. Function cx found #3615 B1 door rattling when opening/closing. Checked found B1 RHS main door roller damaged. Replaced and function tested satis. Done by Rizman, Koh, Jack. 27/7/2023.