As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*** CORROSION *** ACB DOOR LWR MAIN SILL WEB UPR SURFACE HAS MULTIPLE AREAS SHOWING EVIDENCE OF FILLAGREE CORROSION / REMOVED CORROSION 38' X 2.5' X .025' FROM .050' ORIGINAL MATERIAL THICKNESS AND FOUND TO BE OUT OF LIMITS PER SRM 53-60-15-1A-1. REMOVED AND REPLACED AFT CARGO BAY LWR MAIN SILL WEB IAW SRM 51-40-02 AND DWG 146A8340