As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED ENGINE SOUNDED SLIGHTLY ROUGH AND FUEL FLOW WAS INDICATING LOW. AIRCRAFT RETURNED TO BASE. FUEL NOZZLES, FILTERS AND HOSES WERE CLEANED AND PURGED. NO FOREIGN MATERIAL WAS FOUND. REPLACED FUEL FLOW INDICATOR AND PURGED SENSE LINE. NO FURTHER PROBLEMS WERE NOTED.