SnapRep 3616 A3 unable to open. ~~~~~ SnapRep 3616 A3 unable to open.     Check the above mention reported roller LHS faulty.Door unable to open/close smoothly.Tims show no FC,roller no spare and non platform side.OPS 20 to follow up. Checked by Saini/Asruddin. 20/03/22 To replace 3616 A3 LHS door rollers. Check and found left & right main roller damaged and cause door open/close resistance very high.Change out main roller ok.Push/pull 505kg,DLS,DCS and door mating strip check ok.Door cyclic and static test ok. Done by Rizman/Sanip/Koh. 22/03/22