What was found
WHILE AT C-CHECK, CORROSION WAS FOUND ON CUSP WEB AT APPROXIMATELY BS 209 BETWEEN LBL 44 AND LBL 54. N REMOVED THE CORROSION AND FOUND AREA TO BE OUT OF LIMITS. THE DAMAGED AREA WAS REMOVED AND AN HFEC INSPECTION WAS PERFORMED OF THE TRIMMED-OUT AREA AND THE EXISTING FASTENER HOLES COMMON TO THE REPAIR. NO DEFECTS NOTED. THEY FABRICATED A REPAIR FILLER FROM 7075-T6 0.020 AND A REPAIR DOUBLER FROM 7075-T6 0.025. REPAIR PARTS WERE DRILLED, DEBURRED, TREATED AND PRIMED IAW SRM 51-10-3. REPAIR PARTS WERE INSTALLED ON REPAIR AREA BETWEEN BS 200 AND 215 BETWEEN LBL 44 AND LBL 54 IAW AEI EO 18734. EO 18734 .