As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
On departure aircraft was notified by the Tower that aircraft was streaming fuel out of left wing tip area, Fuel stream was verified and called for immediate return to YIP. Declared an emergency. Landed normal not high energy stop or overweight. Maitenance determined that center wing tank had been overfueled. Sumped Surge tanks on both wings and inspected for leaks. System checked normal.