As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING FLIGHT RUDDER TRIM LIMITER FAULT 1 & UNCOMMANDED RUDDER TRIM INPUTS. IAW AMM 27-22-51-000-001-A THE RUDDER TRIM ACTUATOR WAS REMOVED & IAW AMM 27-22-51-400 001-A THE RUDDER TRIM ACTUATOR WAS REPLACED. OPERATIONAL TEST OK. ACTUATOR RUDDER TRIM PN 6137-5, SN OFF S613706901 & SN ON S613704374.