As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO BAY FLOORBEAM AT LBL 27 IS CORRODED AROUND FLOORBOARD ATTACH FLANGES FROM FS 574 TO FS 621. REMOVED FLOORBEAM CAP IAW SRM 51-42-06, 51-42-21. INSTALLED NUT PLATES IAW SRM 51-40-11 AND 51-42-06. INSTALLED FLOORBEAM CAP PER SRM 51-42-21 AND 51-42-34. COMPLIED WITH EC/TC REO 601R-53-61-3278 AND MET REQUIREMENTS OF REO 601R-53-61-3278.