What was found
FLIGHT 5981 DURING DESCENT INTO BHM RECEIVED A FLAP INDICATION CAUTION MESSAGE AT 30 DEGREE FLAP POSITION. 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.