As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SEA - FLIGHT 2104 - FUEL WAS NOTED LEAKING ON THE NUMBER 2 INBOARD NACELLE. MAINTENANCE INSPECTED THE NACELLE AND FOUND THE FUEL LINE CONNECTING THE FLOW DIVIDER AND PUMP VALVE TO FIREWALL LOOSE. THE LINE WAS TORQUED AND THE OPERATIONAL AND LEAK CHECKS WERE GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.