As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMB-OUT, TURNING RADAR ON AND GOT A FAIL LT ALONG WITH SPOKING IN ALL RANGES. TURNED OFF, PULLED AND RESET CB'S, SAMETHING WHEN RADAR TURNED ON. REMOVED AND REPLACED WEATHER RADAR R/T. SYS OPS CKD NORMAL. REF B727-200 MM 34-41-41.