As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTOPILOT IN A-MODE HAD UNCONTROLLED ROLLS IN BOTH DIRECTION, B-MODE NORMAL. DEFERRED IAW MEL REF 22-1 CAT B CTL 5716 ASSIGNED. PLACARD INSTALLED. REMOVED AND REPLACED ROLL CHANNEL, OPS CK NORMAL IAW M/M 22-11-0, CLEARS DMI 5716. PLACARD REMOVED.