As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C1 C-CHECK, INSPECTION NOTED THE TOP SKIN OF FLOOR PANEL 151BH WAS DISBONDED FROM THE CORE. DAMAGE WAS FOUND TO BE BEYOND REPAIRABLE LIMITS. MX REMOVED AND REPLACED THE FLOOR PANEL IAW THE REQUIREMENTS OF A318 AMM 53-42-14-400-001. UPON COMPLETION OF THE REPAIR, IT WAS INSPECTED AND FOUND ACCEPTABLE.