As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN UTILITY AREA FLOORBEAM BETWEEN FR64-FR66, Y1292 UPPER FLANGE HAS CORROSION. REMOVED CORROSION IAW SRM 51-74-00 CHECKED LIMITS L=2.0" W=1.0" D=0.050" FOUND TO BE OUT OF LIMITS IAW TRM 53-41-15. R & R FLOORBEAM IAW TRM 53-21-01.