Originally Posted by Lyman
So when the THS started moving, NU, it was at this time that both PF and OTTO were commanding a flight path into STALL. For different reasons? Or were both trying to maintain "1G"?
The THS doesn't move on its own, it is slaved to the elevator. The elevator moves in response to the PF's sidestick, whose 'demand' is interpreted by the flight control law. If there is no demand from the sidestick, the flight control law maintains essentially 1g. In short, the PF commanded the flight path into stall. OTTO disconnected at 02:10:05.
As I read the quote from the final report, I would interpret 'unusual response dynamic' as 'sluggish', but I may be wrong.