 already made some changes aimed at cutting down on the number of production errors before the fuselages arrive at Boeing's factory. You can see right over the door here, there's a piece of orange tape. Anybody can guess what that might be? Katie Ringgold is in charge of Boeing's 737 program and the factory in Renton, Washington, where they're assembled. She points to a piece of tape marking one single rivet on the fuselage of a plane in production that's sticking out too far from the skin of the plane.