What was found
CARBURETOR FLOAT FULCRUM SCREW SAFETY WIRE VIBRATED THROUGH BACKING OUT FULCRUM SCREW FOR FLOAT. ENGINE QUIT RUNNING CAUSING FORCED LANDING. AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE. FULCRUM SHOWED CHATTER MARKS INDICATING FULCRUM SCREW WAS NOT PROPERLY SEATED. RECORDS DID NOT INDICATE ANY CARBURETOR WORK SINCE NEW. AIRCRAFT WAS NEW 2-17-97 AND HAD 849 TSN HOURS. SUBMITTER RECOMMENDED AN AD OR SA1B BE ISSUED TO INSPECT FLOAT SCREW FOR PROPER INSTALLATION. (X)