As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB OUT RECEIVED "WEATHER FAIL" ALERT. SWITCHED TO SYSTEM 1 AND AFTER APPROXYMATELY 3 MINUTES RECEIVED "WEATHER FAIL" ALERT FOR SECOND WEATHER SYSTEM. SYSTEM 2 WOULD NOT COME BACK. SYSTEM 1 INTERMITTINGLY COME BACK, THEN FAILED AGAIN. ON APPROACH WE HEARD LOUD THUNKS COMING FROM THE NOSE CONE AREA. REPLACED WEATHER RADER ANTENA PEDESTAL (MOUNT) AND BOTH WEATHER RADER OPS TEST OK PER MM 31-41-07-4.