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 FR68-FR69 Y1292 UPPER FLANGE HAS CORROSION. REMOVED CORROSION IAW SRM 51-74-00 CHECKED LIMITS L=1.50" W=1.20" D=0.30" FOUND TO BE OUT OF LIMITS IAW TRM 53-41-15. FLOORBEAM IAW TRM 53-21-01. RETAIN FOR RECORDS.