The door plug that blew out mid-air on the Alaska Airlines plane was manufactured in Malaysia by Boeing’s main supplier. This fact is drawing attention to Boeing’s global supply chain, which has seen a significant amount of outsourcing over the years, according to ABC News. The investigation group shared details about their inquiry into a plane that lost part of its outer covering while flying this month. They shared that airlines have checked 40 similar planes made by Boeing. The Federal Aviation Administration (FAA) says it will analyze the inspection results before allowing these planes to …