#3502 'B1' saloon door Roller faulty.Fou ~~~~~ #3502 B1 SALOON DOOR ROLLER FAULTY.CHECK FOUND BOTH LEFT/RIGHT SALOON DOOR INNER ROLLER SURFACE  ABNORMAL C/O  DONE. SECURE/FUNCTION CHECK DONE OK.20MM CHECK OK.OPEN/CLOSE DOOR FOR 20 TIMES OK.LEONG/HARI 06.10.2023