As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TEST FLIGHT, HAD JAMMED HORIZONTAL STABILIZER DUE TO OBSTRUCTION. BOLT CAME LOOSE IN STAB COMPARTMENT & JAMMED HORIZONTAL STAB, INSPECTED ENTIRE STABILIZER COMPARTMENT IAW AMM. DETERMINED DISLODGED BOLT DID NOT DAMAGE ANY OTHER COMPONENTS.