As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING FLUID LEAK. ACFT BACK TO GATE WITH NR 2 MAIN OVERFILL AND SHOW 84.0 LEFT HYDRO MECHANICAL FUEL SYSTEM DEACTIVATED AS PER MEL 2815J. STRAINER REMOVED AND STOWED IN PART BIN D2L. LEFT STRAINER INSTALLED. REPLACED SCAVENGE SYSTEM FLOAT VALVE.