As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR STRUCTURE IS CORRODED FROM STA 1660-1680 RBL 55. REMOVED CORROSION FROM AFT CABIN FLOOR SUPPORT AND ATTACH ANGLE. FOUND SUPPORT AND ANGLE TO BE OUT OF LIMITS WITH 100% MATERIAL LOSS IAW SRM 53-00-51. REMOVED AND REPLACED SUPPORT AND ANGLE IAW SRM 51-40-02 AND DWG 146N5246 REV A.