As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A RUPTURED COWL ANTI-ICE DUCT WAS DISCOVERED DURING MAINTENANCE. THE DAMAGED DUCT CAUSED SIGNIFICANT HEAT DAMAGE TO THE ENGINE WIRING HARNESS. ENGINE FAULTS, VSV POSITION DISAGREE AND VSV POSITION OUT OF RANGE WERE FOUND. THE NR 1 ENGINE WAS REPLACED AS A RESULT OF THE DAMAGED DUCT.