As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TUL- FLIGHT 4200 - WHILE FUELING THE AIRCRAFT THE FUELER NOTICED A LEAK FROM THE AREA OF THE CENTER TANK. MAINTENANCE FOUND THE FUEL MANIFOLD TUBE HOUSING O-RINGS TO BE LEAKING. REPLACED PACKINGS. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.