As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ENGINE GROUND RUN, THE MAINTENANCE TECH OBSERVED THAT THE ENGINE WOULD DIE WHEN BROUGHT TO IDLE. FUEL WAS SEEN POURING FROM THE CARBURETOR. THE CARB HAD BEEN INSTALLED 4 DAYS PRIOR. IT IS SUSPECTED THE FLOAT SUNK OR BECAME STUCK.