As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOWERED THE COLLECTIVE TO SLOW DOWN, DESCEND AND TURN INTO THE WIND FOR LANDING. WHEN INCREASED THE COLLECTIVE TO SLOW DESCENT, THE LOW ROTOR HORN SOUNDED. LOWERED COLLECTIVE ESTABLISHED 60 KNOTS, CHECKED ALL GAUGES AND THROTTLE AND ALL WAS GOOD. MADE RADIO CALL AND PUMPED COLLECTIVE. TORQUE INCREASED RAPIDLY. INCREASED COLLECTIVE TO REGAIN CONTROL AND LANDED AT SP10. MAINTENANCE REPLACED THE ENGINE FUEL CONTROL AND GOVERNOR PART NO. 2549172-2. NOTE: PREVIOUSLY SUBMITTED ON 8/17/09.