As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2973 THE CREW REPORTED A FUEL SMELL IN THE COCKPIT WHEN ANTI-ICE CAME ON AND ON DESCENT. IT WAS NOTED THAT THE SMELL DISSIPATED QUICKLY. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT, PERFORMED ENGINE RUNS ON NUMBER ONE AND NUMBER TWO ENGINES WITH NO SMELL NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.