Boeing's biggest 737 MAX model moves to next stage in certification but still faces hurdles

Core Insights - The Federal Aviation Administration (FAA) has approved Boeing's MAX 10 variant of the 737 MAX to advance to the second phase of flight testing, marking a significant step in the aircraft's long-delayed certification process [1] Group 1 - The MAX 10 is the largest variant of Boeing's best-selling 737 MAX jet [1] - The approval from the FAA indicates progress in the certification campaign for the MAX 10 [1] - The flight testing phase is crucial for the aircraft's eventual certification and entry into service [1]