As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAINTENANCE BASE VISIT FOUND THE RIGHT BEAM GUSSET AT FRAME 22 TO BE CORRODED. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED CORRODED GUSSET AND INSTALLED NEW GUSSET IAW EMB SRM 51-40-02, SRM 51-20-03, SRM 51-40-06. THE AIRCRAFT WAS RETURNED TO SERVICE.