What was found
ENGINE LOST POWER. AIRCRAFT UPSIDE DOWN IN CORN FIELD FOR 3 DAYS. FLIPPED AIRCRAFT OVER, DISMANTLED, AND HAULED BACK TO AIRPORT (PTK). DIALED CRANKSHAFT, OK. INSTALLED USED SERVICEABLE PROPELLER. HOOKED UP AUXILIARY FUEL TANK TO LEFT WING. STARTED ENGINE AND RUN-UP FOR 10 MINUTES. CHECKED MAG DROPS, OK. FULL THROTTLE RUN-UP (GOOD). DISMANTLED CARBURETOR. CHECKED FLOAT, OK. NO UNUSUAL CONTAMINENTS. TORE DOWN BOTH MAGS. SAW NOTHING UNUSUAL. COULD NOT FIND ANYTHING UNUSUAL ANYWHERE. SUBMITTER SUSPECTED FUEL CONTAMINATION OR CARBURETOR ICE.