Boeing 737 MAX aircraft re exposed engine safety hazards: US media recently re exposed the potential safety hazards of Boeing 737 MAX aircraft: when the aircraft engine is hit by a bird, the cabin or cockpit may be filled with smoke, and Boeing has not provided comprehensive information to aviation operators. The Seattle Times and CNN reported the above news on June 18th and 19th, respectively. According to reports, Boeing issued a warning to Southwest Airlines and American Airlines regarding this engine hazard in February this year, and both airlines subsequently conveyed relevant information to their pilots.