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 CORROSION ON THE LT OUTBOARD CF1 SEAT TRACK. MX REMOVED AND REPLACED THE LT OUTBOARD CF1 SEAT TRACK IAW EMB 170 SRM 51-41-01, 51-42-01, 51-43-01 P/N 170-92570-005. A/C REMAINS IN CMH FOR HEAVY CHECK COMPLETION.