As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RADAR SYS FAILED DURING CLIMBOUT. WX FAIL ON NAV DISPLAY SX SYS ON STATUS PAGE WITH EITHER RADAR SYSTEM SELECTED. RETURNED TO DEPARTURE. REPLACED WEATHER RADAR DRIVE UNIT AND ANTENNA FLAT PLATE IAW AMM 34-43-05. PERFORMED OPS TEST PER AMM TASK 34-43-05-714-022-001. CHECKED OK.