As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) CF 86-14 AND CF-87-04 ADDRESS PROBLEMS OF FUEL LEAKING FROM FUEL TANK RIBS AND DRAINS INTO THE NR 4 LEFT AND RIGHT FLAP TRACK CANOE. DURING A CORROSION INSPECTION OF THIS AREA, THE SEALANT APPLIED WAS CHIPPING AND FLAKING OFF ALLOWING FUEL TO LEAK BACK INTO THE CANOE. SUBMITTER STATED THIS IS THE SECOND TIME THIS PROBLEM HAS BEEN FOUND. AREA WILL BE RE-TREATED PER THE AD.