As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE A/C WAS IN FOR HEAVY CHECK FOUND FORWARD FUSELAGE SEAT TRACK BEAM LT AT FR 19 HAS CORROSION. MX REMOVED AND REPLACED LT FWD FUSELAGE SEAT TRACK IAW EMB 175 SRM 51-40-00, 51-40-02. PN 170-03264-001. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.