As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT AIRCRAFT STARTED UNCOMMANDED LEFT TURN. UPON DISCONNECTING AUTOPILOT, AIRCRAFT CONTINUED LEFT TURN. (FLT 5615) INSPECTED ALL FLIGHT CONTROL CABLE ROUTING AND TENSIONS. ADJUSTED AILERON, AILERON TRIM TENSIONS. ALSO RT AILERON TAB WAS ADJUSTED.