Originally Posted by
Avionista
Flaps UP at 05:39:45 but there appears to be two Automatic Trim Down commands prior to this which produced some Down Pitch Trim.
Is this STS, or MCAS operating when the flaps are down?
Those both occur while the AP was engaged, which is a 'disable' input for MCAS, hence I think we can assume those are STS.
-GY