As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 197 - HNL - AIRCRAFT MADE UNCOMMANDED ROLL TO RIGHT AT TOP OF DESCENT WITH AUTOPILOT ENGAGED. TURN KNOB IS WINGS LEVEL DETENT NAV SELECTOR IN TURN KNOB MODE. ALSO, VOR COURSE WAS COMING ALIVE AT SAME TIME, ALTHOUGH NAV/LOC WAS NOT SELECTED. REPLACED ROLL AXIS COMPUTER. GROUND CHECK OK. (M)