As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR DISPLAYS CONSTANT RETURN AT 2:00 POSITION IN BOTH MANUAL AND AUTO MODES. NO WX IN AREA. GROUNDED - YES. REF PREVIOUS TROUBLESHOOTING, PERFORMED WXR OPERATIONAL TEST REF B737-900 AMM 34-43-00-710-802-001. FOUND SYS OPS NML, NO FAULTS, OR OTHER DEFECTS NOTED AT THIS TIME. SYS TEST PASSED.