As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR INOP IN AUTO AND MANUAL MODE. IN MANUAL MODE, THERE ARE NO RETURNS AT ALL, NOT EVEN GROUND RETURNS. IN AUTO MODE, RADAR ALWAYS SHOWS RETURNS AT THE 1 O'CLOCK POSITION ONLY. GROUNDED - YES. ITEM PLACED ON MEL 34-15D. REMOVED, REPLACED, AND TESTED WX R/T IAW AMM 34-43-41-400-801. TESTS PASS. THIS CLEARS MEL 34-15D.