As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HYDRAULIC PUMP DRIVE BELT FAILED. HYDRAULIC CAUTION LIGHT ILLUMINATED AND HORN ACTIVATED ABOUT ONE MILE FROM LANDING LOCATION. PILOT CONTACTED CONTROL TOWER AND ADVISED HYDRAULICS HAD FAILED. ROTORCRAFT MADE UNEVENTFUL RUNNING LANDING AT AIRPORT AND SHUT DOWN.