As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2021 - THE CREW REPORTED THAT SHORTLY AFTER DEPARTURE FUEL WAS SEEN SPRAYING OUT OF THE RIGHT WINGTIP. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE MOST OUTBOARD FLAPPER VALVE ON THE RIGHT WING. LEAK CHECK WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.