As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WINDSHEAR WARNING (NO AURAL) CAME ON ABOUT 80 KTS ON T/O ROLL. RTO DISENGAGED AT 50 KTS. *S/D* BOTH WX RADAR R-T UNITS WERE REPLACED. BOTH UNITS PASSED ALL TESTS WHEN SUBSEQUENTLY TESTED IN THE SHOP. ONE OF THE TWO UNITS HAD A QUALIFIER FAULT STORED IN FAULT HISTORY THAT MAY HAVE CAUSED THE WINDSHEAR WARNING.