As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT FUSELAGE FLOOR STRUTURE AT BS 1250 FLOORBEAM HAS LIGHT CORROSION AROUND FASTENER HOLES UNDER SMOKE TAPE AT RBL 24 TO LBL 24. FOUND TO BE OUT OF LIMITS IAW SRM 53-01. REMOVED FLOORBEAM IAW SRM 51-31-5. FABRICATED REPLACEMENT FLOORBEAM IAW SRM 51-10-4, INSTALLED FLOORBEAM IAW SRM 51-30-5, PAGE 12.