PRINCETON, NJ, USA
N6310Q
MOONEY M20F
THE MOONEY M20F MADE A TAKEOFF AND AS THE PILOT TURNED CROSSWIND, HE EXPERIENCED A PARTIAL POWER LOSS. HE RETURNED FOR A LANDING AND THE ENGINE SMOOTHED OUT. HE MADE EXTENSIVE GROUND RUNS AND COULD NOT DUPLICATE THE PROBLEM. HOWEVER HE DID NOT HAVE MAINTENANCE PERSONNEL LOOK AT THE AIRCRAFT. ON THE SECOND TAKEOFF, HE AGAIN LOST POWER AND THIS TIME, MADE AN OFF AIRPORT LANDING IN A FIELD. EXAMINATION OF THE ENGINE REVEALED THAT THE SPARK PLUGS HAD SOOT ON THEM. THE FUEL INJECTOR SERVO, MANIFOLD, AND NOZZLES CHECKED OUT OK; HOWEVER, THE RUBBER INTAKE BOOT BETWEEN THE AIR FILTER AND THE FUEL SERVO WAS FOUND PARTIALLY COLLAPSED.
Source: NTSB Aviation Accident Database
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