NEW : Plane 's distress signals located but not its flight data recorder . Yemeni navy and Yemeni authorities expand search efforts for wreckage , bodies . Airbus 310 went down with two people on flight originating in U.S. , Yemen . U.S. accident investigators probing 153 recent failures aboard Airbus .
NEW : Plane 's distress signals located but not its flight data recorder . French navy and Yemeni authorities expand search efforts for wreckage , bodies . Airbus 310 went down with 153 people on flight originating in Sanaa , Yemen . U.S. accident investigators probing two recent failures aboard Airbus A330s .