What was found
FLIGHT 5422 - DURING DECENT INTO YYZ RECEIVED A FLAP FAIL CAUTION MESSAGE AT 45 DEGREE FLAP POSITION.COMPLIED WITH AD 98-20-01 FLAP CAUTION MESSAGE "FIRST EVENT" MAINTENANCE ACTION, PARAGRAPH (B) 1,2,3 (A,B,C AND E). FLAP SYSTEM WAS RESET WITH NO FURTHER FLAP CAUTION MESSAGES.