As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CA SIDE WX RADAR PAINTING HIGHLY INACCURATE RETURNS - BOTH AUTO AND MANUAL - NOTE: FO. WX RADAR LOOKS OK. GROUNDED - YES. C/W B737-900 FIM 34-43 TASK 802 & WEATHER RADAR SYSTEM - OPERATIONAL TEST REF B737-900 AMM 34-43-00. NO FAULTS NOTED.