As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** FWD CARGO SHIELD IN AFT CARGO BAY HAS MULTIPLE AREAS OF CORROSION FROM STA 767-794; RBL21; WL 158 / REMOVED DAMAGED FWD CARGO SHIELD IN AFT CARGO BAY STA 767-794; RBL 21; WL 158. INSTALLED NEW PART PN# 146A8127-12 PO# 777849 IAW SRM 51-40-02 AND BOEING DWG# 146A0081. 57828U 5/20/2020. CORROSION FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM. 57412C 5/20/20