As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT INTO CYYZ THE BAGGAGE SMOKE LIGHT ILLUMINATED. NO VISUAL OR ODOR OF SMOKE WAS DETECTED BY THE FLIGHT CREW. THE CREW DECLARED AN ENERGENCY AND DIVERTED TO BUF. LANDING WAS UNEVENTFUL. NO SIGNS OF SMOKE OR FIRE INSIDE THE BAGGAGE COMPARTMENT WAS DETECTED ONCE THE AIRCRAFT WAS ON THE GROUND. MAINTENANCE INSPECTED THE BAGGAGE COMPARTMENT PERFORMED A SYSTEM OPS CHECK AND NO DEFECTS WERE NOTED.