What was found
FLT 4466 - ON APPROACH INTO YYZ, AT 7000 FEET, THE FIRST OFFICER, PILOT FLYING, SELECTED THE FLAPS TO 8 DEGREES AND RECEIVED A FLAP FAIL MESSAGE. AN EMERGENCY WAS DECLARED. PROCEDURES WERE FOLLOWED FOR A ZERO FLAP LANDING IAW THE QRH. AIRCRAFT MADE AN UNEVENTFUL LANDING IN YYZ. MAINTENANCE REMOVED AND REPLACED THE OUTBOARD FLAP ACTUATOR. OPERATIONAL CHECK GOOD. AIRCRAFT RETURNED TO SERVICE. (M)