Santiago Paredes, who worked on the production line at Spirit for about 10 years, said he found hundreds of defects daily but was pressured to downplay problems. He is acting as a whistleblower in a lawsuit filed in January against the company.

A former quality manager at Spirit AeroSystems has alleged that 737 MAX fuselages were sent to Boeing from the facility in Wichita with serious defects.

A former quality inspector at Spirit AeroSystems, Boeing’s largest parts supplier, said Wednesday that he was pressured to hide defects found in airline parts, adding to scrutiny over the company’s quality control for its 737 aircraft.

A new Boeing whistleblower has bravely spoken in public about problems he noticed while working for a supplier of the airplane manufacturing giant after two ex-quality managers wound up dead.