As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE INSPECTION AT TIMCO LAKE CITY FL, FOUND CENTER FLOOR PANEL AT BL 0 TO RBL 22 AT BS 237-313 HAS SURFACE CORROSION AND INSULATION DETERIORATED. LOCATED AND DRILLED REPLACEMENT FLOOR PANEL ASSEMBLY IAW DC9 SRM 51-30-4. INSTALLED INSULATION IAW DPS 3-40-9.