As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT WITH AUTOPILOT NR 2 ON, AIRCRAFT ROCKS BACK AND FORTH. F/CT PAGE PULLED UP, SHOWS LT & RT AILERON MOVING BACK AND FORTH. ACFT GROUNDED. PERFORMED AFS TEST IAW 22-96-00. PERFORMED ELAC TEST IAW 27-93-34. PERFORMED CAT 3 TEST IAW 22-97-00. OPS TESTED GOOD.