As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 3354 - IN CRUISE FLIGHT, WEATHER RADAR SIGNAL BECAME WEAK AND INTERMITTENT. THE RADAR ALSO TILTED 10-15 DEGREES DOWN AT VARIOUS RANGES. THE AIRCRAFT RETURNED TO DTW. MAINTENANCE REPLACED THE WEATHER RADAR RECEIVER/TRANSCEIVER. SYSTEM OPERATED SATISFACTORILY. (X)