The Crew & Roof Panel
At times, when sitting in the 737 cockpit I wonder just how heavy that roof panel might be. How it may dislodge with fatal consequences if there was a mishap. (Even if there wasn't - but that's just me becoming older!!!)
It would at best slice half of your head off, both of you.
With a possible magnitude of vertical deceleration people are mentioning above, I wonder whether it was found in it's original position?
AP