As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN METAL SKIN FLOOR PANEL NR20 HAS CORROSION. REMOVED CORRSION FROM MAIN CABIN METAL SKIN FLOOR PANEL NR20 IAW SRM 51-10-3. ORIGINAL MATERIAL THICKNESS .025 MATERIAL LOSS.013, REMAINING MAT .012 FOUND TO BE OUT OF LIMITS IAW SRM 53-01, FIG 1, SHEET 3. LOCATED DRILLED AND DEBURRED IAW SRM 51-10-4.