As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PER CREW, ENG WOULDN'T SHUTDOWN, HAD TO CYCLE FUEL CUTOFF SWITCH SEVERAL TIMES TO GET ENG TO SHUT DOWN. ALSO HAD A LOT OF FUEL VAPOR COMING OUT OF TAILPIPE. ENGINE WAS PUT THROUGH SEVERAL START/STOP SEQUENCES AND NO PROBLEM WAS FOUND. THIS AIRCRAFT ENGINE HAS NOT FAULTED SINCE THIS ORIGINAL REPORT.