As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FLOOR CUSP WEB CORRODED STA 996-1020 RT. REMOVED CORROSION AND FOUND TO BE OUT OF LIMITS PER SRM 53-40-13 PG 103 FIG 101 DETAIL III. FABRICATED AND INSTALLED CUSP WEB AT STA 996-1020 RT IAW SRM 51-40-02 GEN PG 7 PARA D DURING HMV. REF NRC 186441.