As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"PWS FAIL" ON CAPTAIN`S AND F/O NAVIGATION DISPLAY. WEATHER RADAR RT CIRCUIT BREAKER TRIPPED. CLEANED DUST ETC FROM WEATHER RADAR RT MOUNT PER FIM 34-43 TASK 815. DETERMINED WEATHER RADAR CIRCUIT BREAKER COULD BE RESET PER MM 20-60-01. AFTER CLEANING AND RESET PWS/WEATHER RADAR SYSTEM, OPS TESTED NORMAL PER MM 34-43-00. ETOPS GROUND VERIFICATION SUCCESSFUL.