As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CME - IAH DURING CLIMB THE RIGHT WING WAS FOUND TO BE VENTING FUEL. THE AIRCRAFT RETURNED TO CME AND LANDED WITHOUT INCIDENT. UPON INSPECTION MAINTENANCE FOUND THE RIGHT WING FLAPPER (CHECK) VALVE TO BE DAMAGED ALLOWING THE FUEL TO ESCAPE THROUGH THE VENT. THE VALVE WAS REPLACED AND THE DISCREPANCY CLEARED.