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 FLOORBEAM AT FRAME 39 WAS FOUND TO BE CORRODED. MAINTENANCE PERFORMED A DOUBLER REPAIR ON THE AFFECTED FLOORBEAM IN ACCORDANCE WITH ATR42-320 SRM 53-00-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.