As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 6239, BOS TO SAV, DURING CRUISE, THE FLIGHT ATTENDANT NOTIFIED THE FLIGHT CREW OF A FLUID LEAK COMING FROM THE LEFT WING. THE FLIGHT CREW VERIFIED THE FLUID LEAK AND DIVERTED TO IAD. THE FLIGHT LANDED WITHOUT INCIDENT IN IAD. MAINTENANCE INSPECTED THE LEFT WING AND TRACED THE SOURCE OF THE LEAK TO THE NR 6 FUEL TANK ACCESS PANEL. THE PANEL GASKET WAS REPLACED, THE TANK LEAK CHECKED AND THE AIRCRAFT WAS RETURNED TO SERVICE.