What was found
(CAN) WHILE CONDUCTING PREFLIGHT CHECKS CREW REPORTED THE STAB TRIM VERY HEAVY WHEN SELECTED TO MANUAL. SCREWJACK CLEANED AND LUBRICATED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHILE CONDUCTING PREFLIGHT CHECKS CREW REPORTED THE STAB TRIM VERY HEAVY WHEN SELECTED TO MANUAL. SCREWJACK CLEANED AND LUBRICATED.