As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH CABIN FLOOR SILL #5 HAS CORROSION ALONG THE ENTIRE LENGTH. PERFORMED HFEC INSPECTION IAW EASI NDTM SECTION 4-01, NO RELEVANT INDICATIONS NOTED. PERFORMED UT THICKNESS INSPECTION IAW EASI NDTM SECTION 4-02, THICKNESS MARKED FOR EVALUATION.- .043" TO .049". EASI S/N 8958 AND EASI S/N 8389 USED. COMPLETED REMOVAL OF CORROSION ON LH CABIN FLOOR SILL #5 IAW EMB 145 SRM 51-10-03. FURTHER INVESTIGATION AFTER NDT SHOWS FLOOR SILL TO BE WITHIN ALLOWABLE LIMITS IAW EMB 145 SRM 53-23-10AD.