What was found
FLIGHT 5006 - DURING YUL APPROACH RECEIVED A FLAP FAIL CAUTION MESSAGE AT ZERO DEGREES, CREW DECLARED AN EMERGENCY AND ABORTED APPROACH, THEN LANDED SAFELY ON SECOND ATTEMPT. COMPLIED WITH AD 2006-12-21 FLAP CAUTION MESSAGE -FIRST EVENT- MAINTENANCE ACTION, PARAGRAPH (G) 1, 2, 3 (A, B, C). FLAP SYSTEM WAS RESET WITH NO FURTHER FLAP CAUTION MESSAGES.