Flight from greece to philadelphia, severe turbulence rocked those onboard. Everyone onboard was rattled. Im walter perez, the big story on action news is the investigation as to why the jet bound for philadelphia shook so violently that several passengers and crew members were injured. For several seconds they thought the plane was going to crash. Trish hartman has the story. Walter, we spoke with several passengers released from the hospital. They are ready to go home and exhausted. Folks said it was a terrifying and unexpected experience. Listening to air Traffic Control clearing American Airline flight 759 to land, you would never know about the violent turbulence that occurred 30 minutes earlier. It felt like the plane was in free fall. Passengers said the turbulence lasted 15 seconds as drinks were being served. It started shaking, babies screaming, people hitting the ceiling. There was blood. They said the turbulence wasnt on their radar. The plane dropped. The Flight Attendant,