As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR FAILED. RECEIVED PWS FAIL, WXR FAIL AND ANT CAUTIOUS. AUDIBLE GRINDING AND VIBRATIONS DETECTED. GROUNDED - YES. REMOVED AND REPLACED WEATHER RADAR ANTENNA DRIVE UNIT PER B737-800 AMM REF 34-43-11-400-802. OPERATIONAL TEST SUCCESSFULLY ACCOMPLISHED PER AMM REF 34-43-00-710-802-001.