What was found
FLIGHT 5528 - RECEIVED FLAP FAIL CAUTION MESSAGE AT 20 DEGREES. DECLARED EMERGENCY AND LANDED WITHOUT INCIDENT. 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 MESSAGES.