As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR SYSTEM PAINTED WIDE BAND OF RED ACROSS TOP AND RIGHT OF SCREEN AT ALL ALTITUDES AND RANGES. FLIGHT WAS RETURNED TO DTW AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED RADAR TRANSCEIVER. OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE.