As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE AT FL260, THE MASTER CAUTION LIGHT ILLUMINATED FOLLOWED BY AP HOLDING ND, AND MIS-TRIM CAS MESSAGES. ATTEMPTS TO TRIM ELEVATOR MANUALLY AND ELECTRICALLY WERE UNSUCCESSFUL. LANDING WAS UNEVENTFUL AND ELEVATOR TRIM OPERATED NORMAL ONCE ON THE GROUND. REPLACED THE ELEVATOR PITCH TRIM SERVO, THE LEFT AND RIGHT PITCH TRIM ACTUATORS AND LUBED THE TRIM SYSTEM. A SUCCESSFUL OPERATIONAL CHECK FLIGHT WAS PERFORMED. LEFT PITCH TRIM ACTUATOR.