What was found
FLIGHT 7629 YOW TO ORD ON APPROACH THE CREW RECEIVED A MASTER CAUTION STEERING FAIL MESSAGE ON THE EICAS. ACCOMPLISHED GEAR DOWN LANDING CHECKLIST AS SOON AS THE GEAR WAS DOWN AND LOCKED, THE CREW RECEIVED A MASTER CAUTION STEER FAIL MESSAGE ON THE EICAS. THE CREW ACCOMPLISHED A MISSED APPROACH AND RAN THE QRH FOR STEER FAIL. LANDING WAS NORMAL WITH UNEVENTFUL STOP. A/C WAS TAXIED TO THE GATE USING DIFFERENTIAL BRAKING. ORD MAINTENANCE REPORTS THE CMC SHOWED STEERING FAULT, BUT HAD NO CORRELATION. MAINTENANCE CYCLED C/B B-25 MESSAGE CLEARED. A/C RETURNED TO SERVICE. HAS NOT REPEATED.