As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - NAV PRED W/S DET FAULT ON SYS 1. WXR ANT MSG ON NAV DISPLAY. REMOVED AND REPLACED XMTR WEATHER RADAR #1 RECEIVER PER 34-41-51. ALSO REPLACED DRIVE UNIT WEATHER RADAR ANTENNA PER 34-41-11. BITE TEST ALL PASSED. NO FAULTS NOTED. OK FOR SERVICE.