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 99 HAS CORROSION AROUND EDGES, CRACKED AT FASTENER HOLE AND END BROKEN. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS IAW DC9 SRM 53-01 FIG 1 SHT 3. FABRICATED AND ASSEMBLED SKIN .025 7075T6 AND HAT CHANNELS S2912282 IAW ER/A 490096-14.