As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***WHILE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK*** MAINTENANCE FOUND LEVEL 2 CORROSION @ FWD FUSELAGE II FLOOR STRUCTURE FR 19-20 BETWEEN LBL 12-24. DOUBLER WAS REMOVED AND REPLACED IAW EMB175 SRM 51-40-02 AND 51-43-03. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.