As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, FLIGHT CREW EXPERIENCED FUEL FUMES IN THE COCKPIT THROUGH OUT THE FLIGHT. OXYGEN WAS USED INTERMITTENTLY. UPON LANDING MAINTENANCE INSPECTED THE AIRCRAFT AND NO LEAKS WERE NOTED. FOLLOWING REPLACEMENT OF THE COALESCER FILTERS, THE ITEM WAS CLEARED. (M)