As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-4 CHECK, INSPECTION REPORTED AFT CARGO COMPARTMENT FLOOR SUPPORT CHANNEL CORRODED AT STA 727 TO STA 947, LBL 3. FOUND CORROSION TO BE OUT OF LIMITS PER SRM 53-60-53. REPLACED FLOOR SUPPORT BETWEEN STA 727 AND STA 947 PER SRM 53-60-53 AND 51-40-02.