As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2566 - EWR - FLIGHT CREW REPORTED STRONG FUEL SMELL IN COCKPIT DURING TAXI. EWR MX PERFORMED GVI ON APU AREA AND FOUND FCU LINES LEAKING. SUSPECT SMELL IS COMING FROM FCU LEAKING. APU MEL`ED. ACFT RELEASED FOR FLIGHT. (SDR FILED OPEN PENDING FINAL CORRECTIVE ACTION).