What was found
RECEIVED LEFT WING ANTI-ICE DUCT WARNING MSG. RETURNED TO YYZ. LANDED WITHOUT INCIDENT. FOUND LEFT WING OUTBOARD ANTI-ICE DUCT CRACKED. REPLACED DUCT WITH SERVICEABLE DUCT. NO FURTHER DEFECTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RECEIVED LEFT WING ANTI-ICE DUCT WARNING MSG. RETURNED TO YYZ. LANDED WITHOUT INCIDENT. FOUND LEFT WING OUTBOARD ANTI-ICE DUCT CRACKED. REPLACED DUCT WITH SERVICEABLE DUCT. NO FURTHER DEFECTS.