As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C4 S1 C CHECK INSPECTION NOTED CORROSION AROUND NUT PLATES AFT CARGO PIT FLOOR PROFILE BETWEEN C55 AND C56. MAINTENANCE CUT OUT DAMAGED AREA, FABRICATED AND INSTALLED REPAIR DOUBLER IN ACCORDANCE WITH THE REQUIREMENTS OF SRM 51-35-00 AND SRM 51-42-11 PAGE 7. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE.