As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN CAPT SELECTS WXR OFF FROM EFIS CONTROL PANEL, FO RECEIVES WXR FAIL ON EHSI WHEN FO SELECT WXR OFF ON EFIS CONTROL PANEL, CAPT RECEIVES WXR FAIL ON EHSI. CARRIED OUT WEATHER RADAR OPERATIONAL TEST AS PER AMM 34-43-00 FOUND GOOD AT THIS TIME.