Banshee Outside on Shutdown

Seeing as how 343 basically called the community out and said we can’t find their easter eggs, I just wanted to know if anyone else had found out they could get a banshee outside at the end of Shutdown. Instead of jumping onto the Lich, I tried to fly the banshee around but kept hitting invisible walls. If you keep flying up though you can make some headway. Just wanted to point people towards a method that might lead to something.

Also if you see the screen start to fade to black just press start and revert to save. You will have to beat the wings off the banshee to get to the last room. Then wait for the window to open and fly out.