As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEVERE CORROSION WAS FOUND DURING INSPECTION ON THE LOWER FUSELAGE SKIN AT FRAME 22 BETWEEN STRINGERS 21R AND 20R. THE CORROSION IS WHERE THE SKIN CONTACTS THE TITANIUM REINFORCING STRAP P/N 120-22409-001. THE DAMAGED AREA WAS REMOVED AND A REPAIR INSTALLED PER EMB-120 SRM 53-00-01 FIGURE 202 SHEET 5. AIRCRAFT RETURNED TO SERVICE.