Originally Posted by
MechEngr
While it might be the case that the resolver connection could slip, there isn't any resistance except to angular rate of the vane accelerating the core of the resolver to create loads passing through those set screws. It they were completely loose, the resolver would have no torque to turn it and it would report an unchanging value. Resolvers are small and very easy to turn; those loads are small.
Take a look at the Satcom Guru post jimjim1 cited and at the
AAIB bulletin linked there.