As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: BOTH LR/T AND RR/T WHEN RADAR WAS TURNED ON ANNUNCIATED "WX FAIL" ON ND ND L & R, TEST DISPLAY "ANTENNA FAIL". PERF. IAW FIM 34-43-00 FOR MAINT MSG 34-44002. MAINTENANCE REPLACED RH WXR TRANSCEIVER IAW AMM 34-43-02.