Originally Posted by
xetroV
Are there any records of MCAS firing up <em>as designed</em> during actual commercial operations? I wonder how an aircrew that somehow finds itself in the part of the flight envelope where MCAS would be activated would react to the sudden (presumably unexpected) automatic nose-down trim correction. MCAS may work as designed in that case, but what about the startled human element?
I'd guess that deployment of MCAS for real would result in at least an ASR.
Last time I did a search of NASA's ASRS, there weren't any reports of such.