Newshour Extra

The plane maker’s safety record is in the spotlight after a series of incidents. In January an unused door blew off a Boeing 737 Max 9 operated by Alaska Airlines shortly after take-off. An initial report from the US National Transportation Safety Board concluded that four bolts meant to attach the door securely to the aircraft had not been fitted. Prior to the incident, there had been other serious problems on the 737 Max production line, including the discovery of manufacturing defects affecting key parts of the planes, as well as a part protecting the central fuel tank against lightning strikes. A version of the 737 Max was also involved in two major accidents in late 2018 and early 2019, in which 346 people were killed. Those crashes were attributed to badly-designed flight control software. After the most recent incident, Boeing’s president Dave Calhoun said the company would be "implementing a comprehensive plan to strengthen quality and the confidence of our stakeholders.” So, what does Boeing need to