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 FORWARD RIGHT SEAT TRACK BEAM CORRODED BETWEEN FRAMES 14 AND 17. MAINTNENANCE REMOVED AND REPLACED THE RIGHT FORWARD SEAT TRACK BEAM BETWEEN FRAMES 14 AND 17 IAW EMB SRM 51-40-00. THE AIRCRAFT IS OUT OF SERVICE IN HEAVY CHECK.