As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FL 330 FT MACH .80, AUTOPILOT ENGAGED. AIRCRAFT STARTED TO DUTCH ROLL, DISENGAGED AUTOPILOT. DUTCH ROLL STOPPED. NOTED, NO RUDDER MOVEMENT. TRANSFERRED PER MEL 22-1. DMI 5665, PLACARD INSTALLED. TESTED AUTOPILOT. SYSTEM OPS CKS GOOD IAW B727 MM 22-11. THIS CLEARS DMI 5665. PLACARDS REMOVED.