Originally Posted by
EI-mech
If it's true that the MCAS only becomes active after flap retraction then I doubt it was involved in this instance. Acceleration (and thus flap retraction) doesn't happen until at least 1500' AGL, and it looks like this flight never even attained that height.
That is only based on the ADS B data online which may be inaccurate so only time will tell.
My understanding is that MCAS is only operative with the AP off and flaps extended? Just putting the question out for clarification.