Staff (WDL) feedback that there was an unusual sound coming from the rear M2 car B4 door while it wa s closing. Staff (YIS) checked and confirmed that there was unusual rattling sound from the door while it was closing. V ~~~~~ Staff (WDL) feedback that there was an u Check no FC shown in Tims.Further check found #2601-B4 door LHS outer roller damage to c/o.Mating strip,push/pull,DLS red line,DSS,Doors function and door static test ok. Done by Sanip/Rizman/Koh.  16/05/23