FREELAND, WA, USA
N5887Q
MOONEY M20E
SHORTLY AFTER REACHING A CRUISE ALTITUDE OF 1500 FEET MSL THE AIRCRAFT'S ENGINE BEGAN RUNNING ROUGH WITH A CONCURRENT LOSS OF POWER. THE PILOT MANEUVERED THE AIRCRAFT NORTH FROM HIS OVERWATER POSITION TO A NEARBY FIELD CONTAINING APPROXIMATELY 60 GRAZING CATTLE AND EXECUTED A FORCED LANDING. DURING THE LANDING ROLL THE AIRCRAFT COLLIDED WITH SEVERAL COWS. DISASSEMBLY AND TESTING OF THE FUEL INJECTOR SERVO REVEALED EXTENSIVE INTERNAL CORROSION. ADDITIONALLY, A SMALL PIECE OF CORROSION MATERIAL WAS FOUND TO BE BLOCKING A FUEL METERING ORIFICE WITHIN THE FUEL INJECTOR SERVO.
BLOCKAGE OF THE FUEL INJECTOR SERVO SYSTEM. FACTORS CONTRIBUTING TO THE ACCIDENT WERE: FUEL INJECTION SYSTEM CORRODED AND ANIMALS IN THE LANDING AREA.
Source: NTSB Aviation Accident Database
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