https://www.wsj.com/articles/faa-saw...sk-11557831723
...Boeing’s description of MCAS came up in talks with pilot unions after the first MAX crash in October in Indonesia. In contrast to the company’s early stance that the system wasn’t deemed critical for safety, Boeing executive Mike Sinnett described it as “flight-critical software” in explaining to American Airlines pilots why a software fix shouldn’t be rushed, according to the group’s president, Capt. Dan Carey, who reviewed a recording he made of the November meeting.
A Boeing spokesman said Mr. Sinnett disagreed with Mr. Carey’s characterization.