As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER TANK LEFT TRANSFER FAULT. AIRCRAFT DIVERTED, ON ARRIVAL IT WAS NOTED A LARGE AMOUNT OF FUEL DRAINING FROM THE RIGHT WING. MAINTNENANCE ACCOMPLISHED TSM 28-26-00-810-809-A. REPLACED THE FUEL LEVEL SENSING CONTROL UNIT NR 1 IAW AMM 28-46-34, BITE TESTED NORMAL. ACCOMPLISHED AN OPS TEST OF THE MAIN TRANSFER SYSTEM IAW AMM 28-26-00-710-001-A. AIRCRAFT WAS GROUNDED