KNTV NBC Nightly News With Lester Holt October 19, 2019 09:10:00
Nbc's stephanie gosk now with late details. >> reporter: two deadly crashes overseas 346 died, and tonight more evidence that boeing was aware of the problem with the anti-stall system on the 737 max and didn't tell the faa or airlines that fly the plane. in these messages from 2016 obtained by nbc news, two test pilots working for boeing write about problems with the mcas system two years before the first fatal crash in indonesia. it's running rampant in the sim on me, writes the former chief test pilot mark forkner. the other pilot responds, oh, great, that means we have to update the trim d...