As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING B INSPECTION FOUND THE AFT DIAMOND GUSSET ON THE RIGHT BEAM AT FRAME 22 CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE AFT DIAMOND GUSSET ON THE RIGHT BEAM AT FRAME 22 IAW EMB SRM 51-40-02. THE AIRCRAFT WAS RETURNED TO SERVICE.