As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WEATHER RADAR TILT APPEARS TO NEED CALIBRATION. NEED 4 DOWN TILT TO SHOW GROUND RETURN AT 80 MILES VERSUS 1 DOWN TILT NORMALLY. ACFT GROUNDED. PERFORMED WEATHER RADAR SYS TEST IAW AMM 34-43-00. UNABLE TO DUPLICATE DEFECT. ALL GROUND FUNCTIONAL TESTS PASS NO HISTORY 30 DAYS.