Which Boeing aircraft model was grounded worldwide for nearly two years (2019-2021) due to safety concerns following two fatal crashes, costing the company over $20 billion in losses?

Boeing is one of the world's largest aerospace manufacturers and a major player in the transportation industry. The company has a fascinating history of innovation, but also faced significant challenges in recent years. This trivia question tests your knowledge about a famous product failure that severely impacted Boeing's reputation and finances in the transportation sector.

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• Boeing 737 MAX
• Boeing 787 Dreamliner
• Boeing 747-8
• Boeing 777X

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