What was found
DURING APPROACH INTO MIA, LANDING CONFIG WARNING LIGHT ILLUMINATED AT 3000 FT AGL. FLAPS WERE AT 15 AND GEAR LEVER IN OFF POSITION. CAPTAIN DID A GO AROUND AND CYCLED GEAR. SECOND APPROACH INTO MIA, LANDED WITH NO CONFIG WARNINGS. MAINTENANCE FOUND NO MSG AT THIS TIME, PERFORMED PSEU BITE TEST, NO FAULTS IAW FIM 32-09-00. AIRCRAFT RETURNED TO SERVICE.