What was found
NR 1 NAV SYSTEM FAILED ON DESCENT INTO MDW. FLIGHT WAS DIVERTED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 NAV RECEIVER, OPERATIONAL CHECK NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 NAV SYSTEM FAILED ON DESCENT INTO MDW. FLIGHT WAS DIVERTED TO ORD AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE NR 1 NAV RECEIVER, OPERATIONAL CHECK NORMAL.