As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A PRE-FLIGHT INSPECTION, PILOT NOTICED ELEVATOR BINDING WHEN ELEVATOR FULL NOSE DOWN. CONSIDERABLE FORCE WAS NECESSARY TO FREE THE ELEVATOR. FLIGHT CANCELLED, ACFT SENT FOR INVESTIGATION. AMO REPORTED TWO TEMP RIVETS BINDING ON HS SKIN WHEN ELEVATOR FULLY DEFLECTED.