Relaxed F.A.A. Oversight At Root of Boeing’s Crisis

https://static01.nyt.com/images/2019/07/28/nytfrontpage/scan.pdf





Late in the development of the
Max, Boeing decided to expand
the use of MCAS, to ensure the
plane flew smoothly. The new,
riskier version relied on a single
sensor and could push down the
nose of the plane by a much larger
amount.