As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING M-CHECK FOUND MAIN CABIN METAL FLOOR PANEL NR39C HAS DENT. CUT OUT DAMAGED AREA 2"X 2" FABRICATED NEW FILLER AND DOUBLER IAW SRM 53-05, FIG 1. TREATED & PRIMED FILLER & DOUBLER IAW SRM 51-10-3, VERIFIED NO CRACK EXISTS. INSTALLED FILLER AND DOUBLER IAW SRM 53-05, FIG 1.