Dave Calhoun, CEO of Boeing, speaks on stage during the delivery of the final 747 jet at their plant in Everett, Washington on January 31, 2023.DAVID RYDER/ReutersBoeing has been under fire after part of a 737 Max's fuselage was blown off mid-flight on Friday.In response, Boeing CEO Dave Calhoun admitted that the company would have to address its mistakes.The 737 Max is one of Boeing's best-selling aircraft.