What was found
CARBURATOR AIR BOX AIR FILTER RETAINING SHAFT SHEARED ADJACENT TO FISH MOUNTH WELD AT FORWARD EDGE OF HORIZONTAL PLATE (APPROXIMATELY 1/3 SHAFT LENGTH FROM BASE). AIR FILTER DOME, SHAFT AND RETAINING NUT APPEARANTLY DEPARTED AIRPLANE IN FLIGHT. AIR FILTER WAS FOUND LOOSE IN COWL AIR SCOOP AFTER LANDING. NO OPERATIONAL INDICATIONS AND NO DAMAGE TO PROPELLER, COWL, FUSELAGE OR LANDING GEAR. AIRPLANE COMPLETELY REBUILT 2004. NEW K & N AIR FILTER INSTALLED AT ANNUAL INSPECTION NOVEMBER 2006. PHOTOS AVAILABLE.