As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW SMELLED RAW FUEL IN COCKPIT AND CABIN DURING FLIGHT APPROX 4 MINUTES AFTER TAKEOFF. RETURNED TO BASE, MECHANIC CALLED IN TO INSPECT ACFT FOUND NO VISABLE FUEL LEAKS GROUND RAN ACFT FOR 10 MINUTES WITH NO FAULTS FOUND. RETURNED ACFT TO SERVICE.