As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: POSSIBLE FUEL LEAK ON MAIN TANK 1, DURING TAKEOFF LOST 1800LBS IN LESS THAN 2 MINUTES, FUEL IMBAL INDICATION IN TANK 1 SHOWED UP. AIRCRAFT AIR INTERRUPTED TO AND LANDED SAFELY AT LAX. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).