As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT LOWER WING PLANK ACCESS HOLE AT WS 54.897, PNL 640BB HAS CORROSION AT INBD AND OTBD ENDS. INBD CORROSION MEASURES APPROX 9" LONG X .13" WIDE X .002" DEEP. OTBD CORROSION MEASURES APPROX 9" LONG X .16" WIDE X .002" DEEP (HOLE NR1). C/W ECTC EO 600-57-81 C/W IAW REO 601R-57-21-030, REV H AND FWD ALL REQUIRED FORMS TO STRUCTURES ENGINEERING.