As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING INSPECTION, FOUND FORWARD CABIN FLOOR SUPPORT BETWEEN FR 20 TO FR 23 Y-189 UPPER FLANGE HAS CORROSION. BLENDED AREA FOUND TO BE OUT OF LIMITS ORIG MAT .079 DAMAGE DIM L=2.0" W=1.5" D=.013" TR83340. NO ESTABLISHED LIMITS IAW SRM 53-11-15. INSTALLED NEW FLOOR SUPPORT Y-189 IAW SRM 51-42-11.