In my two posts on 11.1.21, which were deleted for some reason, I stated (in my opinion as someone who has worked on various aspects of aircraft safety) that the CG position on SJ-182 could be “marginal...too far forward”, but that a trigger event such as “a throttle back” would be needed in order for a sudden pitch down ‘incident’ to occur. An auto-throttle fault could be just such a trigger; the CG problem would worsen and the situation could be unrecoverable.