As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#178, LAS-BOS. (ETOPS) 'WX RADAR FAILED MULTIPLE TIMES ENROUTE FOR EXTENDED PERIOD IN TIME WX ANTENNA DISPLAYED IN RED ON ND ON APPROACH ERRONEOUS WARNING FOR WX ALERT GIVEN. ( WEATHER RADAR SYSTEMS ); REMOVED + REPLACED WEATHER RADAR (7SQ) ANTENNA ASSEMBLY IAW AMM 24-41-11. OPS CHECK GOOD ON WEATHER RADAR 1+2 SYSTEMS MDDR# 545190 CLEARED AND MCC NOTIFIED MX-4 UPDATED PLACARD REMOVED