As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAW FLIGHT CREW, VIBRATION IN AIR & ON GROUND FELT IN FLT DECK & FELT IN FLIGHT CONTROLS. AIR RETURN, CREW REPORTED WXR RADAR FAIL ANT/PWS FAIL IN CONJUCTION WITH VIBRATIONS, ON TROUBLESHOOTING, WXR FAIL & PULLING WEATHER RADAR RT CB VIBRATIONS STOPPED IN FLIGHT DECK. CREW REPORTED WXR RADAR FAIL ANT/PWS FAIL IN CONJUCTION WITH THE VIBRATIONS. REMOVED AND REPLACED WXR ANTENNA DRIVE UNIT IAW AMM 34-43-11-400-802, OPS CHKD GOOD.