What was found
AFTER AIRCRAFT START UP, THE PILOT REALIZED HE DID NOT HAVE HYDRAULIC POWER. THE AIRCRAFT WAS THEN SHUT DOWN. UPON INSPECTION OF THE HYDRAULIC SYSTEM AND CONSULTATION WITH EUROCOPTER TECHNICAL REPRESENTATIVES, IT WAS DISCOVERED THAT THE HYDRAULIC PUMP HAS FAILED. TECHNCIAN WAS ABLE TO PHYSICALLY ROTATE THE SPLINES ON THE HYDRAULIC PUMP. ACCORDING TO THE TECHNICAL REPRESENTATIVE, THIS SHOULD NOT BE POSSIBLE. THE HYDRAULIC PUMP WAS REPLACED AND AN OPERATIONAL GROUND RUN AND CHECK FLIGHT WERE CONDUCTED WITH NO FURTHER DISCREPANCIES.