As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT, PILOT BEGAN LOWERING COLLECTIVE AND AIRCRAFT EXPERIENCED AN ABRUPT YAW TO RIGHT, FOLLOWED BY ILLUMINATION OF THE NR 1 ENGINE OUT WARNING LIGHT AND AUDIO FOR APPROXIMATELY 1 SEC EVERYTHING RETURNED TO NORMAL. AIRCRAFT WAS LANDED NORMALLY WITHOUT INCIDENT. NOTE: PREVIOUSLY SUBMITTED ON 7/27/09.