US says 40 foreign operators may be using Boeing 737s with suspect rudder control parts
The U.S. National Transportation Safety Board said on Monday more than 40 foreign operators of Boeing 737 airplanes may be using planes with rudder components that could pose safety risks.The NTSB on Thursday issued urgent safety recommendations about the potential for a jammed rudder control system on some 737 airplanes after a February incident involving a United Airlines flight.