As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AIRCRAFT WAS IN FOR HEAVY CHECK MAINTENANCE FOUND RT O/B CF3 SEAT TRACK HAS CORROSION IN 12 AREAS. MAINTENANCE REMOVED AND REPLACED RT O/B CF3 SEAT TRACK IAW EMB 170 SRM 51-41-01 AND 51-43-03. P/N 170-65917-006. AIRCRAFT IS OUT OF SERVICE AND STILL IN C-CHECK.