As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO BAY FLOORBEAM AT BS 1197+22 AT LBL 38 FOUND CORRODED. REMOVED CORROSION & FOUND MATERIAL LOSS OUT OF LIMITS OF SRM. CUT OUT FLOORBEAM SECTION & FABRICATED & INSTALLED FLOORBEAM SPLICE REPAIR, REPAIR 4. THIS IS A CATEGORY 'A' MAJOR REPAIR