As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PREFLIGHT TRIM WHEEL STIFF AND HARD TO MOVE, FELT SLIGHT BINDING WHEN MOVING THROUGH ZERO MARK. ALSO, WHEEL SNAPS BACK 1/2 UNIT AFTER RELEASE (IN MANUAL OR ELECTRIC) WHEN SET. REPLACED ELECTRIC TRIM CONTROL SERVO. TRIM WHEEL HAS FULL MOVEMENT WITHOUT BINDING OR BACK PRESSURE. OPS CHECK GOOD.