As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C2 CHECK - LT WING UPPER FUEL TANK PANEL 524DT AND WING MATING SURFACE BOTH HAVE FRETTING CORROSION. BLENDED DAMAGED AREA AS REQUIRED ON WING MATING SURFACE AND FOUND TO BE WITHIN LIMITS IAW RD 8/4-57-445. COMPLETED REPAIR IAW RD 8/4-57-445 AND RD 8/4-57-442.