DT #3609 B2 DOOR OPEN/CLOSE VIBRATION,TO ~~~~~ DT #3609 B2 DOOR OPEN/CLOSE VIBRATION,TO     #3609-B2 door before cleaning push pull resistance=11Kg,Pull resistance=11Kg.Mating strip rop=65mm.Check DLS-Slightly red mark.Remove door and change bearing LHS door due to roller damage.After cleaning push pull resistance=7Kg,Pull resistance=7Kg.Mating strip rop=63mm. Do normal check and cleaning done on J-rail.Check for FOD and door rubbing mark.Check DLS-red mark and adjust to half mark. Check DCS=15.3mm,DLD cushion ok.DLS & DCS function ok.Door opening/closing timing/static test pass. Done by Haslan/Johari. 20/10/22