As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT WITH AUTOPILOT ENGAGED, HAD TRIM FAIL AURAL WARNING AND AUTOPILOT DISENGAGED. BOTH CAPT AND FO EXPERIENCED SPRINGBACK IN THE TRIM WHEEL. REPLACED LEFT AND RIGHT ELEVATOR TRIM TAB ACTUATORS IAW MM 27-32-02. OPERATIONAL CHECKS GOOD, LEFT SN OFF 302388.