As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION UNDER THE NUTPLATE AT CABIN FLOOR STRUCTURE BS 353 RBL 24. REMOVED CORROSION AT CABIN FLOOR STRUCTURE STA 353 RBL 24 IAW B7 57-300 SRM 51-10-02-0G, CHECKED LIMITS MATERIAL LOSS 0.016" MAX ALLOWED IS 0.006 OF THICKNESS ORIGINAL 0.063" FOUND TO BE OUT OF LIMITS P/N 141N516003, IAW SRM 53-00-51-1A-1 T93963. REMOVED FLOOR SUPPORT IAW SRM 51-40-02-0G.