As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKE OFF FROM CLT THE CREW REPORTED A FUEL LEAK TO DISPATCH. THE CREW RETURNED THE FLIGHT TO CLT AND DECLARED A FUEL EMERGENCY. THEY LANDED SAFELY AND TAXIED TO THE GATE. THEY DID NOT LAND OVERWEIGHT. THE AIRCRAFT IS CURRENTLY IN MAINTENANCE. / CREW REPORTS A RAPID LOSS OF FUEL AFTER TAKE OFF / UPON INSPECTION FOUND THE L/H WING MAIN TANK RELIEF VALVE STUCK OPEN. R&R RELIEF VALVE.