As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, LT FLOOR SUPPORT BETWEEN FRAMES 18 AND 23 CHAFED AND CORRODED. MAINTENANCE REMOVED CORROSION IAW SRM 53-21-10. FOUND OUT OF LIMITS IAW SRM 53-21-10. REMOVED AND INSTALLED FLOOR SUPPORT IAW SRM 51-40-02. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.