As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOTS REPORTED THAT A STRONG FUEL ODOR FROM THE VENTS IN THE FLIGHT DECK AND CABIN WAS PRESENT. MAINTENANCE INSPECTED THE NR 1 AND 2 ENGINES FOR LEAKS OF WHICH NONE WERE FOUND AND SUBSEQUENTLY PERFORMED INDIVIDUAL ENGINE RUNS WITH NO FUEL ODORS NOTED. REFERENCE MM 71-10-00. AIRCRAFT WAS RETURNED TO SERVICE.