What was found
RADAR SHOWING PHANTOM WEATHER RETURNS AND MORE INTENSE THAN NORMAL TERRAIN RETURNS IN WX, WX+T AND AUTO MODES. IN MANUAL TILT, PERFORMANCE IS BETTER BUT STILL MORE INTENSE THAN NORMAL. MAP MODE IS ALSO TOO INTENSE IN AUTO TILT BUT APPEARS NORMAL IN MANUAL TILT, VAR GAIN REDUCES THE RETURNS BUT NOT AS NORMAL. GROUNDED - YES. ACCOMPLISHED WXR SYSTEM TEST REF AMM 34-43-00-730-802-001, WXR OPERATIONAL TEST REF AMM 34-43-00-710-802-001 AND CMM 34-40-58 ROCKWELL COLLINS MULTI-SCAN RADAR OPS CK NML.