What was found
DURING HEAVY CHECK, INSPECTIONS OF INTERNAL FLOOR STRUCTURE CF ILL, CORRODED FLOOR SUPPORT RIH SHEAR PANEL PANEL AT FR 87 RIH TO FR 88 RIH, REMOVED AND REPLACED WITH NEW IAW ERJ 175 SRM 51-42-01, AND SRM 51-42-02. NRC # 4502703-2000-0281. REV 45 DATED MAY-28-2021. CORROSSION LEVEL 1