breathe into the oxygen mask and trust that the flight crew will do everything they can to keep us safe. >> reporter: thankfully no one was sitting in seats 26a or b next to the hole. the ntsb chief says nearby seats are twisted and bent. headrests and seat cushions missing, sucked out of the plane. a teenager boy sitting one row forward had his shirt ripped off. it happened behind the plane's left wing. an emergency exit hole cut in case airlines want to carry more passengers. otherwise the door is plugged and sealed leaving an ordinary window. investigators will be looking at whether that plug was properly bolted in place during manufacturing. inside the plane the wind violently pulled the cockpit door free slamming it against the lavatory, damage throughout the plane. had the explosion occurred at cruising altitude, it would have been cats sglofk something like that at 34,000, 35,000 feet,