What was found
FLIGHT 5116 DURING DESCENT RECEIVED A FLAP FAIL CAUTION MESSAGE, CREW DECLARED AN EMERGENCY. ABORTED 1ST APPROACH AT YYZ, LANDED WITHOUT INCIDENT. 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.