As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE WITH WEATHER RADAR ON WITH RECEIVED PWS FAIL AND WX FAIL TURNED OFF THEN ON OPS NORMAL. GROUNDED - YES. PERFORMED B737-9 FIM TASK 34-41-00-810-818 AND WEATHER RADAR OPERATIONAL TEST PER B737-9 AMM 34-41-00-710-801. OPS CHECK NORMAL AT THIS TIME.