As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR PANEL 21 HAS CORROSION SPOTS ON TOP SKIN SIDE FROM FWD END TO AFT END OF PANEL FLOOR PANEL HAS 100 PERCENT MAT LOSS, OUT OF LIMITS IAW SRM 53-01 FIG 1. FABBED NEW SKIN.032" 7075-T6 AND NEW HAT CHANNEL P/N S2912282. INSTALLED NEW SKIN AND HATS IAW ERA 490850-14.