As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ACB FWD MAIN SILL; STA 767-787; RBL 21; INTERCOSTAL HAS CORROSION ON UPR SHIELD ATTACH ANGLE LWR SURFACE NUTPLATE AREAS / WEB ATTACH ANGLE BS 767-787; RBL 21 CORROSION FOUND TO BE OUT OF LIMITS DUE TO CORROSION AROUND FASTENER HOLES PER SRM 53-00-53-1A-2 FIG.103. WEB ATTACH ANGLE TO BE REPLACED AS PART OF WEB ASSY 146A8123-20 ON CARD T762905.