What was found
FLIGHT 4940 - ON FINAL APPROACH WHEN FLAPS SELECTED FROM 30 TO 45 DEGREES FLAPS STAYED AT 30 DEGREES WITH FLAP FAIL MESSAGE. 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.