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 AT NUT PLATES AFT PIT LEFT FLOORBEAM UNDER COVER PROFILE AT FRAME 56 LOCATED FROM STRINGER 38 LEFT TO 38 RIGHT. MAINTENANCE FABRICATED REPLACEMENT PART IN ACCORDANCE WITH THE REQUIREMENTS OF AIRBUS DRAWING D53476476200 AND MATERIAL SPECIFICATION DAN26H35. INSTALLED NEW SUPPORT ANGLE IN ACCORDANCE WITH THE REQUIREMENTS OF SRM 51-42-11 PARAGRAPH 6. UPON COMPLETION OF THE REPAIR IT WAS INSPECTED AND FOUND ACCEPTABLE.