"I recall an incident that happened some years ago near Hawaii. Seems like the whole danged cabin roof came off a plane. "
Aloha Airlines Flight 243 in 1988. One flight attendent was sucked out of the plane - the only casualty. Check it out here - the pictures are amazing:
http://www.disastercity.com/flt243/
I bet that was a bumpy, hair-raiser for those folks sitting in the open area! Yikes!