As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AIRCRAFT CURRENT CHECK AT AIRBORNE (TAMPA), CORROSION WAS FOUND ON THE MAIN CABIN FLOOR PANEL SUPPORT ANGLE (P/N 368-53-16-94490-201) AT STA 1605, LBL 64. THE CORROSION WAS REMOVED BY BLENDING PER SRM 51-10-02 AND EXCEEDING 10% NOMINAL MATERIAL LOSS. THERE IS NO REPAIR DATA GIVEN IN THE IAI SUPPLEMENTAL SRM FOR THIS ANGLE. THE ANGLE IS FABRICATED FROM 7050-T7451 PLATE. THIS REA PROVIDES DIRECTION FOR THE REPAIR OF THE FLOOR PANEL SUPPORT ANGLE AT THE SUBJECT LOCATION.