What was found
DURING CRUISE (23000) ELEVATOR TRIM FAILURE OCCURRED WITH CORRESPONDING STRONG PITCH UP TENDENCY. TRIM CONTROL REGAINED ON DESCENT. REMOVED AND REPLACED LEFT AND RIGHT ELEVATOR TRIM ACTUATORS IAW EMB 27-32-02. LT P/N ON 5299-1, S/N OFF 606, RT P/N ON 5299-1, S/N OFF FA1186.