As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WXR RADAR NOT PAINTING, RETURNS WHEN THE WAS KNOWN WEATHER. TURNED OFF, WAITING 20 SECONDS IAW E/C. SAME PROBLEM, TURNED TO STBY AND "WX FAIL" ON MFD. DIVERTED AND ACCOMPLISHED UNEVENTFUL LANDING. R & R WXR TRANSCEIVER IAW MM TASK 34-41-01-000-801 + 34-41-01-400-801. OPS CHECK GOOD. RETURNED TO SERVICE.