What was found
CORROSION ON WEB UPPER SILL DOOR CUT OUT, BS 787 TO 847, STR 18R, WL 200 IN THE AFT CARGO BAY. REPLACED WEB UPPER MAIN SILL AND FASTENERS IAW SRM 51-40-02-0G-0; DWG 146A0080 SHEET 16 REV:A AND DWG 146A8111 SHEET 16 REV-.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION ON WEB UPPER SILL DOOR CUT OUT, BS 787 TO 847, STR 18R, WL 200 IN THE AFT CARGO BAY. REPLACED WEB UPPER MAIN SILL AND FASTENERS IAW SRM 51-40-02-0G-0; DWG 146A0080 SHEET 16 REV:A AND DWG 146A8111 SHEET 16 REV-.