If the vehicle smashed the THS jackscrew, any pitch control movements by the crew may have been moot. ...
According to the NTSB report, referenced above, the THS jackscrew had quite a few scuff marks of paint on it. The same paint color as one of the MATV's. The report does not go so far as to make a claim that this scuffing is indicative of an MATV sliding into the THS but.......