What was found
DURING C-CHECK AT AMES (TPA) CORROSION WAS OBSERVED ON THE LEFT-WING UPPER SURFACE SKIN PANEL NUMBER 1 AT WS 434 OVER UPPER RIB FLANGE P/N 113T1545-7, THE DAMAGE WAS REMOVED BY BLENDING AFFECTED AREA PER SRM 51-10-02 WITH MEASURED MATERIAL REMAINING OF 0.145¿ INCHES FROM INITIAL THICKNESS OF 0.200¿, INCH (UT MEASURED) WITH MATERIAL LOSS OF 0.055 INCH (27.5%), FOUND TO BE OUT OF LIMITS PER SRM 57-20-01, ALLOWABLE DAMAGE 1, TABLE I OF 0.035 INCHES. AMES CONTACTED FLIGHT VEHICLES CONSULTING INC. REQUESTING FURTHER EVALUATION AND REPAIR APPROVAL. COMPLIED WITH REA ABX-REA-5725-65598-00.