What was found
DURING FINAL APPROACH AND AFTER LANDING GEAR EXTENSION A STEERING INOP CAUTION ILLUMINATED 10 SECONDS AFTER EXTENSION. PERFORMED GO AROUND RAISED LANDING GEAR AND PERFORMED QRH. MESSAGE CLEARED. AFTER EXTENDING GEAR A SECOND TIME FOR APPROACH, 10 SECONDS LATER "STEERING INOP ILLUMINATED. PERFORMED EMERGENCY LANDING WITH CAUTION ILLUMINATED.AFTER LANDING AND COMING TO A COMPLETE STOP, PERFORMED RESET PER CFM CHAPTER 6.CAUTION EXTINGUISHED AND WE TAXIED TO THE GATE. FLAPS AT 30. FOLLOWED FIM 32-50-00 PG114 AND AMM 32-51-00-710-802. NO MSGS POSTED. OPS CHECK NORMAL. MDC SHOWED NWS ECU FAIL PRIOR TO RESET. NO FAIL DURING TEST. MOC NOTIFIED 53430 A&P3579452.