As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE TO SCENE, CREW MEMBER DETECTED A FUEL ODOR. THERE WERE NO UNUSUAL COCKPIT INDICATIONS SUCH AS EXCESSIVE FUEL CONSUMPTION, BUT, IAW BRIEFING THE PILOT ABORTED THE FLIGHT AND RETURNED TO BAS. MAINTENANCE FOUND A DRAIN VALVE ON THE FUEL FILTER LEAKING. (K)