"I'm not sure yet. Something new...outside of the box. Well, it's all a bit outside the box, isn't it? Or in it...in here! Maybe there's something the TARDIS can scan for that you can't, or at least aren't yet..."
Normally, a simple move in location would be no more than minor vibrations, but the TARDIS is not in it's best shape, so the ship shudders and creaks, tilting a bit far to one side before coming back down with a thunk, wobble and hiss. As the TARDIS quiets, the Doctor smiles fondly at her, reaching to pat the central column. "There we are, that's my girl."