What was found
LEVEL 2 CORROSION ON ALL FOUR SILL PLATES ALONG FR90. REMOVED AND REPLACED RT AND TWO CENTER SILL GUSSET PLATES AND REMOVED LT SILL PLATE PAINT LAYER AND LIGHTLY BRUSHED DAMAGE PRIMER THEN RE-APPLIED PRIMER AND TOP COAT TO ALL FOUR SILL GUSSET PLATES IAW EMB 170 SRM 51-40-02, 5-41-02, AND 51-23-06.