As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT WING PLANK AT PANEL 640BB HAS CORROSION APPROX .004 DEEP X 4 INCH LONG X .2500 INCH WIDE IN NON-CRITICAL AREAS. MAINTENANCE PERFORMED MAJOR REPAIR TO WING PLANK ACCESS HOLE AT WS 54.897 (RT) BY REMOVING CORROSION IN NON-CRITICAL AREAS OF HOLE IAW REO 601R-57-21-030, REF F. (K)