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): CORROSION ON SEAT TRACK BEAM BTW FR 12-13 AND Y=270RH AT FWD FLOOR STRUCTURE (W1); "CORROSION ON SEAT TRACK BEAM BTW FR12-13 AND Y=270RH, AT FWD FLOOR STRUCTURE (W1) WAS REMOVED PER EMB 190 SRM51-12-01;51-10-03. EVALUATED, THEREFORE IT IS OUT OF LIMITS PER EMB 190 SRM 53-10-10/AD51 AND REPLACED PER EMB SRM 51-41-02;51-43-03. REF TOMEX NR 00163 FOR DETAILS. (CONSIDERED A MAJOR REPAIR)