The CRJ 100/200 would be hard to land with the Thrust levers stuck in a position other than idle.......at 50 feet you pull the thrust levers to idle or you will float all the way down the runway....if it was applying much power it would be almost impossible to land and get stopped before going off the end ....much less what would happen to the brakes....you would quickly get a Brake Overheat master warning and the its possible the brakes would catch fire trying to taxi to the gate with power........something doesn't add up....we will see with the investigation......I have never flown a CRJ with Auto Throttles but I have heard that is is an option..possibly a malfunction if equipped?.......or a problem with the cables for the FCV....its all just speculation at this point...