Originally Posted by
Mauersegler
Could the jack screw fail and the HS go uncontrolled?
Or it was hit by the RPB...
Looking at the damage on the central box/spar structure of the HS it seems conceivable that a huge and sudden excursion of the HS (hit by RPB?) could have been the event initiating the failure of the fuselage structure aft of the CWB.