TC reported obstructed motion on car 2618 "A3"door. Staff (DBG) checked and confirmed car 2618 A3 do or did not open fully. Staff escorted the train and door wassubsequently isolated at MSP NB. Stock change-over arranged  ~~~~~ TC reported obstructed motion on car 261

Checked and found A3 LHS outer rollers declamination.#2618 A3 door replace both L/R to iron black roller.Mating strip,push pull,DSS,DLS red line present,door static and doors cycle test ok.DLS lock nut secure and top rubber present.

Done by Rizman.  01/01/24