As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON CABIN FLOOR PANEL 20. CORROSION FOUND TO BE OUT OF LIMITS IAW SRM 53-01 FIG 1. CUT OUT DAMAGED SECTION OF FLOOR PANEL 1.5"X 4". FABBED AND INSTALLED NEW SECTION OF PANEL FROM .032" 2024-T3 IAW DWG 9957828 AND SRM 53-01 FIG 4.