As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GROUND HANDLING PERSONAL ATTEMPTED TO TOW THE AIRCRAFT INTO THE HANGAR FOR A MAINTENANCE FUNCTION. THE TOW BAR BECAME DETATCHED FOLLOWING HOOK UP. THERE WAS NO DAMAGE TO THE AIRCRAFT OTHER THAN THE BROKEN LOWER TORQUE LINK BOLT ON THE NOSE GEAR.