As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PWS FAIL ILLUMINATED ON NAV DISPLAY WHEN WEATHER RADAR SELECTED, BOTH POSITIONS FAIL AND WEATHER RADAR FAIL ARE DISPLAYED ON NAV DISPLAY, WEATHER RADAR WILL NOT TEST. ACFT GROUNDED. FOUND WEATHER RADAR CIRCUIT BREAKER OUT. RESET CIRCUIT BREAKER, GROUND FUNCTIONAL CHECK FOR WEATHER RADAR GOOD IAW AMM 34-43-00-710-802-001.