As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** AFT CARGO BAY; INTERCOSTAL HAS CORROSION LOWER SURFACE FASTENER HOLES; BS727A + 18.5'; RBL21.5. / DAMAGE EVALUATED ACB INTERCOSTAL P.S. 727A & 18.5' RBL 21.5 WAS FOUND TO BE OUT OF LIMITS DUE TO DAMAAGE PROXIMITY TO HOLES PER SRM 53-00-53-1A-2. REMOVED DAMAGED INTERCOSTAL. RECIEVED NEW INTERCOSTAL LOCATED; DRILLED AND INSTALLED PER SRM 51-40-02-0G-0 AND PER DWG 146A7500.