What was found
ACCELERATOR PUMP ON THIS CARBURETOR PUSHES FUEL THRU A BRASS TUBE APPROX 3' LONG. TUBE IS PERMANENTLY MOUNTED TO CARB BODY AT LOWER SECTION OF VENTURI ADJACENT TO ACCELERATOR PUMP. TUBE HAS A 90 DEGREE BEND NEAR WHERE IT ATTACHES TO CARB BODY & THEN TRAVELS VERTICALLY UP VENTURE APPROX 2'. TIP OF TUBE IS SHAPED TO FORM JET. PARTS CAT FOR CARB DOES NOT SHOW A PN FOR TUBE. PN 105055 IN THIS INSTANCE, CAME UNFASTENED FROM CARBURETOR & APPARENTLY SUCKED UP VENTURI & BECAME LODGED IN THROTTLE VALVE. PILOT NOTED UNABLE TO PULL THROTTLE CONTROL BACK TO LESS THAN 2000 RPM. BY CLIMBING, PILOT ABLE TO SLOW AIRCRAFT ENOUGH TO SELECT FLAPS DOWN & MAKE A RELATIVELY NORMAL LANDING. CARB REPLACED WITH SERVICEABLE.