What was found
SAL - DURING BC4 CHECK DISCOVERED CORROSION ON SHEAR PLATE LOCATED BETWEEN FS 69 AND FS 70, Y1162. NO ALLOWABLE DAMAGE LIMITS WERE FOUND. MAINTENANCE REMOVED AND REPLACED THE SHEAR PLATE BETWEEN FS 69 AN FS 70, Y1162 IAW BOEING 737-300 SRM 51-72-11.