As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS IN FLIGHT WX FAIL MESSAGE APPEARED ON BOTH NDS FOLLOWED BY WX WEAK MESSAGE. AFTER APPROX. 3 MINUTES, WX RADAR RETURNED TO NORMAL OPERATION. MAINTENANCE ACCOMPLISHED WRX OPS CHECK IAW AMM 34-13-00. ALL TESTS PASSED, NO FAULTS.