As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) INVESTIGATION OF A FUEL LEAK FROM THE LEFT HAND WING OUTBOARD FLAP CANOE REVEALED THAT THE LEAK ORIGINATED AROUNG THE FORWARD ATTACH BOLTS FOR THE OUTBOARD FLAP CARRIAGE TRACK. TANK ACCESS WAS GAINED, AND THE BOLTS WERE RETORQUED AND RESEALED. THE AIRCRAFT WAS RETURNED TO SERVICE.