As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB MAX TRIM INDICATOR SHOWED MAX FORWARD. WHEN WE WENT TO MANUALLY TRIM WE NOTICED THE WHEEL SPUN FREELY AND WAS NOT AFFECTING TRIM. ONCE AT CRUISE RE ENGAGED A/P AND FLIGHT WAS FINE. DURING DESCENT ANY SPEED BELOW 230KTS SHOWED TRIM INDICATION MAX. HAND FLOWN ON APPROACH. EXTRA PRESSURE NEEDED TO FLY AIRCRAFT.