What was found
IAH - FLIGHT 2012, THE CREW REPORTED A RT WING FUEL LEAK IN FLIGHT ON THE O/B SIDE OF THE O/B SPOILER. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, AND REPAIRED THE FILLET SEALANT AT RIB 5, LEAK CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.