The original 737 design was released in 1967 and has been a money-making aircraft for Boeing for many years. However, facing competition from newer and more efficient designs from aircraft-maker Airbus, and in an effort to salvage dwindling orders for its aircraft, Boeing scrambled to retrofit the old 737 design and rename it the 737 MAX.
The existence of MCAS came to light only after the crash of Lion Air Flight JT610 in October. On Monday, Boeing CEO Dennis Muilenburg explained why the company didn't disclose the existence of the
S weeping failures by Boeing engineers, deception by the company and significant errors in government oversight led to the two fatal crashes of the 737 Max, congressional investigators have concluded.