As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON INTERCOSTAL AT AFT CARGO BAY BS927 - BS947 LBL3 WL174. / REMOVED AND INSTALLED NEW INTERCOSTAL ON ACB INTERCOSTAL BS927 - BS947 LBL3 ITEM HFAB53-IN-011 PO# 820647 LOCATED AND DRILLED IAW SRM 51-40-05; SRM 51-40-02 AND DWG 147A7580; DWG 147A7500 80641U 10APR21