CNN is reporting that two days before US Airways Flight 1549 crashed into the Hudson River, passengers on the same route and same aircraft say they heard a series of loud bangs and the flight crew told them they could have to make an emergency landing. One passenger said the incident last Tuesday sounded like the wing was just snapping off. US Airways declined to comment on the plane’s history. CNN’s report raises questions about the cause of last week’s crash. The US Airways pilot has said the plane lost its engines after it hit a flock of birds ninety seconds into the flight.