As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED HIGH EGT AND ROUGH RUNNING ENGINE DURING LAST 30 MINUTES OF FLIGHT. DURING POST FLIGHT, FUEL WAS NOTED ON RT ENGINE AND WRITTEN UP. DURING INSPECTION, A FUEL SUPPLY HARD LINE WAS FOUND CRACKED UNDER THE B-NUT AT THE FLAIR. THIS LINE HAD BEEN REPLACED TO COMPLY WITH SB 1220B, 771.3 HOURS PRIOR. LINE WAS REPLACED AND ENGINE LEAK AND OPS CHECKED GOOD.