What was found
FLIGHT 5580 - FLAPS FAIL CAUTION MESSAGE WHEN GOING FROM 45 DEGREES TO 20 DEGREES FLAP SETTING AFTER LANDING. 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.