As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED JAMMING ELEVATOR TRIM CONTROL BETWEEN 2 TO 4 DEGREES DOWN POSITION. THE WHEEL WOULD RELEASE IF WORKED BACK AND FORTH. UPON INSPECTION, ONE OF THE BEVEL GEARS INSIDE THE ELEVATOR TRIM INDICATOR BOX WAS FOUND TO HAVE TWO BROKEN TEETH.