DT check found 3541 B1 door wobbly and h ~~~~~ DT check found 3541 B1 door wobbly and having loud knocking sound suspect from the roller. To rectify  Check and confirm 3541 B1 LHS  door wobbly, Found Roller damage. Replace door roller. Function test ok, Static test ok 10/20mm ok. Door cyclic test ok. Done by Rizman/Ashwin 20.12.2023