As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE AILERON TRIM FUNCTIONED ONLY IN ONE DIRECTION. THE TERMINAL BLOCK ON THE ELECTRIC CIRCUIT WAS FOUND BURNED (SHORTED) AND WAS REPLACED. AN OPERATIONAL TEST WAS CARRIED OUT OLD PART WAS REPLACED BY A NEW PART AND THE SYSTEM WAS FOUND SATISFACTORY.