As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT TC 531400002 NR 00148: CORROSION OUT OF LIMITS ON AFT CARGO SHIELD AFT OF THRESHOLD WEB (DOOR SURROUND STRUCTURE PSE) RBL 25 WL 158 STA. 847-867. RESOLUTION: CORROSION ON AFT CARGO AFT SHIELD OF THRESHOLD WEB TO BE OUT OF LIMITS DUE TO NO ALLOWABLE DAMAGE FOU IN SRM. REMOED SHIELS IAW SRM 51-40-02-06-0 REV 77. INSTALLED NEW SHIELD LOT#5124789-1 IAW SRM 51-40-02-06-0 REV 77 AND BOEING DWG 146A0081 REV A.