As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT EN ROUTE PDX-ORD OBSERVED FUEL LEAK IN THE LEFT WING ROOT. DECLARED EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. AIRCRAFT NOT OVERWEIGHT. MAINTENANCE SEALED UPPER WING TANK PLATE DOME NUT AND LEAK CHECKED. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)