As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PSV, PERFORMED FUNCTIONAL CHECKOUT OF HORIZONTAL STAB. ON POSTDOCK FOUND HORIZONTAL STAB NOT OPERATING AT FULL TRAVEL FOR NOSE UP. WHILE TROUBLESHOOTING AND OPERATING STABILIZER, THE FULL NOSE DOWN STOPS ON THE JACKSCREW CONTACTED AND SHEARED OFF. WORKED ON NRC 305 AND NRC 315. REPLACED JACKSCREW ASSY AND PERFORMED SYS RE-RIG.