As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MX-STL- DURING MAINTENANCE CHECK FOUND CORROSION BETWEEN FUSELAGE FRAMES 32 AND 33 AT STRINGERS 20R AND 18R. MAINTENANCE REMOVED CORROSION AT STRINGERS 20R AND 18R BETWEEN FUSELAGE FRAMES 32 AND 33 IAW ATR72 SRM. STRINGER 20R P/N-S53671400310.