As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
C-CHECK, TOP OF FLOORBEAM STA 986.5 FROM RBL 55 TO LBL 55 CORROSION BEYOND LIMITS AT TWO PLACES. CUT OUT DAMAGED SECTION, REMOVED INTERCOSTALS, FABRICATED T FROM BAC1505-100617-7075-T-7, INSTALLED T AND INTERCOSTALS IAW SRM 53-00-51 FIG 201 AND 51-40-02.