1615 A1 Door Train prep report door open ~~~~~ #1615-A1 door checked and found door was wobbling.Removed door and condirmed main door rollers bearings worn out.Replaced door rollers ,serviced J-rail and door guide rail.Door mating strip 63.55mm and pull/push-6kgf-ok.Carried out door cyclic/function test-ok.Carried out door opening/closing time within cateria-ok. Done by Joshua/Koh. 14/05/21