As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED A PREVELENT FUEL ODOR DURING ALL GROUND OPERATIONS AND DURING CLIMBOUT. PILOT NOTED WHAT APPEARED TO BE FUEL IN BOTTOM OF FUEL FLOW INDICATOR. ON INSPECTION, EVIDENCE OF FUEL STAINS AT THE BOTTOM OF FUEL FLOW GAUGE WERE NOTED. BASED ON THIS FINDING, FUEL FLOW GAUGE WAS R & R IAW C402 MM.