As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION IN AFT CARGO BAY INTERCOSTAL AT B.S. 847-867; R.B.L. 6; W.L. 152. / DAMAGE EVALUATION ON ACB INTERCOSTAL BS847-867; RBL6; WL152. WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO HOLE. PER SRM 53-60-15. REMOVED AND INSTALLED NEW INTERCOSTAL PER DWG 146A8130; SRM 51-40-02 87713U 23JUL20