As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 345 LBL14 FLOOR SUPPORT HAS AREA OF CORROSION AROUND FASTENER HOLES. REMOVED THE DAMAGED AND FABRICATED PARTS ON MAE TRAVELERS NR T8/755777, T8/755776, T8/748077, T8/748078. INSTALLED REPAIR PARTS AND UPPER T-CHORD ON STA 345 LBL 52 TO RBL18 IAW SRM 53-00-51 FIGURE 20 REPAIR 3. THIS IS CATEGORY A REPAIR.