As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE, INITIAL INSPECTION(CPCP FINDING RELATED R.C. 53-23-005-0417): CORROSION IN CF III PASSENGER CABIN FLOOR BEAM STRUCTURE LOCATED IN FR 84 FROM Y=400.0 TO Y= 1100.0; SUMMARY OF TOMEX WO 1708 NRC 00412: CFIII PASSENGER CABIN FLOOR BEAM STRUCTURE LOCATED IN FR 84 FROM Y=400.0 TO Y= 1100.0 PN 190-65282-001 WAS REPLACED PER EMB-190 SRM 51-41-01 PAR 4; SRM 51-41-02 PAR. 4 & PAR. 6; SRM 51-42-02 PAR. 4 & PAR. 5 ; SRM 51-43-04 PAR.4 & PAR.5. (CONSIDERED A MAJOR REPAIR)