As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WX RADAR SYSTEM FAILED TO TEST AGAIN AT DEPARTURE. REPLACED WXR XCVR AGAIN PER MM, TESTS GOOD PER MM. DURING WXR TEST FAIL RT PRESENT ON BOTH EHSI. FAILURE AND RESTART OF TEST WAS INTERMITTENT AND A HARD FAULT. AFTER REPLACEMENT AND SECURING OF XCVR ON RACK SYSTEM OPERATED 100% EACH TIME.