Okey then that´s not good. But then again we are talking about these kinds of things:
http://talk.maemo.org/showpost.php?p...0&postcount=30
(I didn´t notice any tilt in that post and laughed to poster. Yes there seems to be little tilt after all, i could regonize it with my paint programs ruler )
But if it really doesn´t lock in its place then it probably should be taken to Nokia support.