As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WINDSHEAR SYSTEM EITHER PREDICTIVE OR REACTIVE WINDSHEAR ALERTING FUNCTIONS ARE FAILED SUCH THAT WINDSHEAR ALERTING CAPABILITY IS REDUCED OR NOT AVAILABLE. A REACTIVE WINDSHEAR FAILURE WILL ONLY SET THE MESSAGE WITH THE REACTIVE WINDSHEAR OPTION ACTIVE. ADVISORY MSG-3444032 ACTIVE TO HARD MSG-3444031 ACTIVE ER HARD. WEATHER RADAR DRIVE UNIT REPLACED, SYSTEM CHECKED SATISFACTORY.