What was found
DURING APPROACH TO YYZ ON FLT 7218 CREW REPORTED FLAP FAIL WHEN SELECTING FLAPS 8 DEGREES. CREW DECLARED AN EMERGENCY AND PERFORMED A ZERO FLAP LANDING. FLIGHT LANDED WITHOUT INCIDENT AND PASSENGERS DEPLANED NORMALLY AT GATE. THE BPSU AND FLAP ACTUATOR WERE FOUND TO BE THE CAUSE OF THE FLAP FAIL AND WERE REPLACED. A SATISFACTORY OPERATIONAL CHECK WAS PERFORMED AND AIRCRAFT WAS RELEASED FOR CONTINUED SERVICE.