As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
100371542: JETT NOZZLE L - NO FUEL COMING OUT LEFT NOZZLE FOR 20 MIN. THEN WORKED BUT WOULD NOT STOP DUMPING AFTER CLOSED FOR ALMOST 10 MINUTES. CORRECTIVE ACTION: PERFORMED FIM 28-31 TASK 824 IAW B747-400 FIM. JETT NOZZLE L OPS NORMAL, MSG CLEARED.