WASHINGTON, Oct. 1 (Reuters) - The U.S. National Transportation Safety Board has said more than 40 foreign operators of Boeing (BA.N), opens new tab 737 airplanes may be using planes with rudder ...

The U.S. National Transportation Safety Board on Monday said more than 40 foreign operators of Boeing 737 airplanes may be using planes with rudder components that may pose safety risks. The NTSB last ...