As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 1903, BOS-MSY. AIRCRAFT DIVERTED TO JFK DUE TO LOSS OF FUEL QTY INDICATIONS AFTER LEVEL OFF AT FL360 . REMOVED AND REPLACED FUEL CONDITIONING UNIT IAW AMM TASK 28-41-03. FCU SELF TEST ACCOMPLISHED IAW AMM TASK 28-41-00-710-801-A/500. SYSTEM OPS NORMAL, INDICATIONS OK. A/C OK TO CONTINUE SERVICE.