Boeing supplier regularly shipped parts with defects, whistleblower alleges

Santiago Paredes says he raised concerns over defects on fuselages leaving Spirit AeroSystems factory

A former employee of Boeing's largest supplier has alleged that key aircraft parts regularly left the factory with serious defects.

Santiago Paredes, who worked for Spirit AeroSystems in Kansas between 2010 and 2022, said he was used to finding anywhere from 50 to 100, 200" defects on fuselages - the main body of the plane - that were being shipped to Boeing, and he felt threatened for raising his concerns.