I was walking back into Ul'Dah after completing the inital levequest as part of 'Court in the Sands' and I walked through the floor.
Date: 24-7-2011
Time: Around 21:40 British Summer Time
Server: Mysidia
http://img836.imageshack.us/img836/8...1311539845.jpg
http://img847.imageshack.us/img847/9...1311539748.jpg
Let me know if you need more info than that.