As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED. AIR INTERRUPT LAX-SYD. EMERGENCY DECLARED. LANDING UNEVENTFUL. AIRCRAFT OVERWEIGHT. CREW REPORTED FUEL DISAGREE WITH EXCESSIVE DIFFERENCE BETWEEN CALCULATED AND FUEL QUANTITY. ACCOMPLISHED FIM 28-41-00-810-825 AND RECEIVED MAINTENANCE MESSAGE 28-20050 "FUEL QUANTITY PROCESSOR HAS INTERNAL FAULT". REMOVED AND REPLACED FUEL QUANTITY PROCESSOR IAW AMM 28-41-01.