Snap: 2609 B3 door closing with abnormal ~~~~~ Snap: 2609 B3 door closing with abnormal noise     Checked TIMS found no FC. Function cx found #2609 B3 door vibrating during operation. Checked found B3 LHS door outer roller damaged. Replaced and function tested satis. Done by Jack, Rizman, Koh, Sanip. 23/07/2023.