As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1817, JFK-JFK. (ETOPS) (AIRCRAFT PERFORMED AN AIRTURN BACK TO JFK) "WX RADAR INOP AFTER TO WHITE WXR OFF; PER TSM 34-41-00-810-802 REMOVED AND REPLACED 1SQ1 WX RADAR TRANCEIVER IAW AMM 34-41-33. PERFORMED OPS CHKS OF WX RADAR SYS IAW AMM 34-41-00. NO FAULTS NOTED.