As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR IN AUTO MODE DISPLAYS KNOWN STORMS WELL BELOW CURRENT FLIGHT LEVEL (APPROX 10,000 FT LOWER) FOR EXAMPLE AT CRUISE ALTITUDE 380 IN AUTO, RADAR SHOWS -2 TILT, TO ATTAIN SAME WEATHER IMAGE REQUIRES -7 TILT IN MANUAL. GAIN IN CALIBRATED OR OTHER DOESN`T MATTER. ACFT GROUNDED. REPLACED WEATHER RADAR RT UNIT, OPS CHECKED GOOD IAW TASK 34-43, TASK 801.