As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3981, THE CREW REPORTED A POSSIBLE FUEL LEAK FROM CAPTAIN’S SIDE WING APPROX 3 FEET FROM TIP OF WING. THE FLIGHT ATTENDANT REPORTED A "SIGNIFICANT" AMOUNT OF FLUID LEAKAGE. LEAK STOPPED APPROX 7 MILES FROM LANDING. 100 LB FUEL IMBALANCE. THE AIRCRAFT LANDED WITHOUT INCIDENT. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LEFT WING OUTER MOST FLAPPER VALVE IAW EMB 145 AMM 28-11-04. THE AIRCRAFT WAS RETURNED TO SERVICE.