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 BS790 RBL23 WL157. / REMOVED AND INSTALLED ON ACB INTERCOSTAL BS 787 TO BS 794.35 ITEM 7532082 PO# 813401 LOCATED AND DRILLED IAW SRM 51-40-05; SRM 51-40-02 AND DWG 146A8320 80641U 11MAR21