As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YYZ - DURING CONTINENTAL EXPRESS C-CHECK INSPECTION, THE RIGHT HAND SEAT TRACK WAS FOUND TO BE CORRODED FROM FRAME 36 TO FRAME 39. MAINTENANCE REMOVED AND REPLACED THE AFFECTED SEAT TRACK IN ACCORDANCE WITH ATR42-320 SRM 53-63-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.