What was found
MAIN CABIN FLOOR SUPPORT HAS CORROSION BETWEEN RBL 1 AND RBL 24 STA 1020. REMOVED CORROSION ON FLOOR SUPPORT STA 1020 RBL 1-RBL 24, IAW B757 SRM 51-10-02. 100% MATERIAL LOSS OUT OF LIMITS, IAW B757 SRM 53-00-51-1A FIG 101. REMOVED, FABRICATED AND INSTALLED NEW FLOOR SUPPORT, IAW B757 SRM 51-40-02 AND FEDEX EA F-5310-T0357347 P1 FUSELAGE-MAINFRAME-MAIN CARGO FLOOR SUPPORT STA 1020 CORRODED, NEW PART FABRICATION-TEMPER ALTERATION AND DWG 44N5005 REV.