As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON TAKEOFF WITH TAKEOFF POWER ADVANCED, RECEIVED WINDSHEAR RED PREDICTIVE ALERT. REJECTED TAKEOFF. ON TAKE OFF RUNWAY AND AT TAXIING TO GATE GOT WARNING AGAIN. WINDSHEAR RADAR WAS OFF. REMOVED AND REPLACED WINSHEAR RADAR RIGHT IAW AMM 34-43-41.