As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND 3 GUSSETS ON FLOORBEAM AT FRAME 90 CORRODED. MAINTENANCE REMOVED AND REPLACED 2 GUSSETS AT FRAME 90 IAW EMB190 SRM 51-40-02, 51-41-02 AND 51-21-00. ONE GUSSET AT FRAME 90 WAS FOUND TO BE FREE OF CORROSION. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.