Originally Posted by
GordonR_Cape
All of those reports are suggestive, but inconclusive, in the absence of detailed corroborating evidence such as FDR readouts. The most likely explanation that matches anything to do with MCAS, would a transient high AOA value, due to turbulence soon after takeoff, or some non-permanent mechanical or electrical glitch.
Just an observation.... you need to filter out all the reports in which either the flaps are extended (takeoff to about 1000') or the autopilot was engaged. MCAS is inhibited by these conditions.