As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE THE PILOT WAS ON A TOUR, THE HYDRAULICS FAILED. HE MADE A SAFE PRECAUTIONARY LANDING AT LIHUE AIRPORT. AFTER INSPECTION OF THE AIRCRAFT THE HYDRAULIC PUMP SPLINE WAS FOUND STRIPED. NO FURTHER DAMAGE WAS FOUND TO THE AIRCRAFT. REMOVED AND REPLACED PUMP WITH SERVICEABLE AT ACFT TT: 11,606.0 HOURS. AIRCRAFT RETURNED TO SERVICE.