What was found
1000570357 - CORROSION ON LOWER SURFACE ON CREASE BEAM WEB, STA 798 RBL 65 REMOVED AND INSPECTED USING A 10X MAGNIFYING GLASS IAW B737-300 SRM REV 125 51-10-02 PAR.14 NOMINAL THICKNESS .032" REMAINING THICKNESS .024" MATERIAL REMOVED .008" IS BEYOND ALLOWABLE LIMITS OF .003" IAW B737- 300 SRM REV 125 53-60-13 MATERIAL ID IAW B737-300 SRM REV 125 53-60-13. REPLACED WITH NEW PART IAW B737-300 SRM REV 125 53-60-13 PAGE 4 DETAIL ILL/ BOEING DWG #65-55885 REV B/B737-300 SRM REV 125 51-40-02. NO CORROSION REMAINING IAW B737-300 SRM REV 125 53-00-13.