As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UPON LEVEL OFF AT 270 ELEVATOR TRIM WHEEL SPRANG FORWARD ABOUT 1/2 TURN AND AUTOPILOT KICKED OFF. INSPECTED TRIM ACTUATORS FOR BOTH ELEVATOR AND AILERON TRIM AND FOUND MOISTURE ON ALL ACTUATOR SHAFTS. CLEANED RESIDUAL MOISTURE FROM ALL ACTUATORS AND LUBRICATED AS NECESSARY. ALL CHECKS GOOD, ALL WORK PERFORMED IAW EMB MM CH 27.