What was found
CORROSION ON INTERCOSTAL UNDER ANCHOR NUT @ STA 5008+2" BETWEEN STR 25L-26L REMOVED I.A.W. B.737-300 SRM REV 125 CH 51-10-02. NOMINAL THICKNESS:0.020", REMAINING THICKNESS:0.008". MATERIAL REMOVAL OF 0.012" IS NOT WITHIN ALLOWABLE LIMIT OF 0.002" I.A.W. B.737-300 SRM REV 125 CH 53-00-04 FIG 101 DETAIL II. REPLACED WITH MADE REPAIR PART FABRICATED AND INSTALLED I.A.W. B.737-300 SRM REV 125 CH 51-30-01 AND 51-40-02 MATERIAL ID I.A.W. B.737-300 SRM REV 125 CH 53-330-04 FIG 1.