Boeing Co. was hit with a proposed $3.9 million penalty by U.S. air-safety officials who said the company installed defective parts inside the wings of around 130 737 NG aircraft and then knowingly vouched they met all federal safety requirements. As part of Friday’s action by the Federal Aviation Administration, the agency indicated that the parts—designed to guide movable panels called slats on the front of wings—were used despite being identified as potentially substandard by a Boeing subcontractor in the fall of 2018....

Source: Wall Street Journal December 07, 2019 01:07 UTC