As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NO RADAR RETURN ON KNOWN THUNDERSTORMS UNLESS GAIN WAS SET ON MAX. EVEN THEN RADAR RETURNS WAS WEAK.(<P>PERFORMED WEATHER RADAR OPS TEST IAW AMM 34-43-00 AND FIM 34-43 FAULT TREE 805 FOR L/H AND R/H, OPS TEST IS GOOD AND NO FAULT FOUND.</P>)