As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
UNCOMMANDED RUDDER MOVEMENTS BACK AND FORTH. SMALL MOVEMENTS OF PEDALS AND BLUE RUDDER TRIM INDICATOR. NO FAILURE MESSAGES. STARTED AT ABOUT 4000FT DURING CLIMB OUT-REF TSM 22-62-00-810-809-A. FOUND RUDDER TRIM ACTUATOR AT FAULT. R&R RUDDER TRIM ACTUATOR IAW AMM 27-22-51. OPS TEST GOOD. LAND TEST GOOD. NO FAULTS NOTED. A/C GOOD FOR CONTINUED SVC.