As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*** WHILE THE AIRCRAFT WAS OUT OF SERVICE FOR HEAVY CHECK *** LEVEL 2 CORROSION WAS FOUND ON SEAT TRACK @ FR33-FR34 @ RBL 11. SEAT TRACK WAS REPAIRED IAW EMB 170/175 SRM PART 2 53-00-10. AIRCRAFT REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.