As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 6809 SECONDARY NRC IN REF NRC 00199: HIDDEN CORROSION ON SPLICE OF SIDE PLATE STA. 1442 AND RBL 18 AT AFT CARGO COMPARTMENT. CORRECTIVE ACTION: SUMMARY OF NRC 00618: SPLICE OF SIDE PLATE STA . 1442 AND RBL 18 AT AFT CARGO COMPARTMENT WAS FABRICATED PER DWG 146N5391 REV. U.AND INSTALLED PER B757-200 SRM. (0287855)