What was found
DURING HEAVY MAINTENANCE CHECK FOUND CORROSION ON AFT WET AREA FLOOR SHEAR WEB, R/H SIDE, BETWEEN FR87 AN FR88. ON AFT WET AREA FLOOR, CORRODED SHEAR WEB, R/H SIDE BETWEEN FR87 AND FR88, REMOVED AND REPLACED IAW EMBRAER 170/175 SRM 51-41-01, 51-42-02, AND 51-43-01