As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MID CABIN INTERCOSTAL CORRODED AROUND NUTPLATE HOLES ON LOWER SURFACE BETWEEN STATION 700-720 NEAR LT BODY LINE 56. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS. REMOVED SCUFF PLATED AND REMOVED INTERCOSTAL. REPAIRED IAW SRM AND AMM 53-13.