Branwen was focusing all her attention on the bolt, and when she heard Vicky's spell, the bolt lifted ever so slightly above the necessary point. It was clear. Branwen moved her wand to bring the bolt away from the door.
The first bolt removed, Branwen looked at the door again. "Two more to go," she announced. Although once the hinges were done, they would still have to move the door. First things first, though. She pointed her wand at the next bolt, and swished and flicked. "Wingardium Leviosa."