As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING PLANK AT PANEL 540BB HAS CORROSION APPROX .004 DEEP X 4 INCHES LONG X .2500 INCHES WIDE IN NON-CRITICAL AREA. MAINTENANCE PERFORMED MAJOR REPAIR TO WING PLANK ACCESS HOLE AT WS 54.897 (LT) BY REMOVING CORROSION IN NON-CRITICAL AREAS IAW REO 601R-57-21-030, REV F. (K)