Delta Air Lines Boeing plane loses emergency slide mid-flight, crew hears 'non-routine' vibrations

After an emergency slide billowed off a Delta Air Line aircraft after takeoff Friday, the Los Angeles-bound Boeing plane was forced to return to New York City's John F. Kennedy International Airport.Delta Air Lines and the Federal Aviation Administration (FAA) confirmed to Fox News Digital that Flight 520 safely returned to JFK airport at around 8:35 a.m. Friday.Authorities said that the plane's crew alerted air traffic control after hearing a "non-routine" vibration from near the right wing.The