As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUSPECTED FUEL LEAK, LEFT ENGINE. SHUTDOWN NOT REQUIRED PER QRH. 700 LB DIFFERENCE IN 30 MIN. FUEL FLOWS: L ENG 3.6; R ENG 3.7. PERFORMED ENGINE RUN OF LT ENG AND INSPECTED FOR LEAKS IAW AMM 71-00-00. FOUND NO EVIDENCE OF LEAKS FROM ENGINE OR FUEL TANKS. A/C FOUND TO BE SERVICEABLE PER SERVICE LETTER 767-SL-28-035-A.