As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN HEAVY CHECK MAINTENANCE FOUND THE LEFT CENTER SEAT TRACK UPPER SHEET CORRODED FRAME 85 TO 86. MAINTENANCE REMOVED AND REPLACED THE LEFT CENTER SEAT TRACK UPPER SHEET IAW EMB 190 SRM 51-41-01 AND 51-43-03. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.