As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2245 - EWR - FLIGHT CREW REPORTED RIGHT WING LEAKING FUEL. CREW PERFORMED AIR RETURN AND LANDED ACFT UNEVENTFULLY. EWR MX REMOVED AND REPLACED FLAPPER VALVE AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.