As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, INSPECTIONS OF THE INTERNAL FUSELAGE FLOOR STRUCTURE AT CF ILL CORRODED FLOOR SUPPORT GUSSET PLATE AT FR 90 R/H, RBL 10 REMOVED AND REPLACED WITH NEW IAW ERJ 175 SRM 51-41-02. NRG# 4502703-2000-0285. REV 45 DATED MAY 28-2021.