As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - LT FUEL QTY DROPPED 2000 LBS IN 30 SEC. RECOVERED WITHIN 5 MINS. FUEL CONFIG LT ILLUMINATED. CENTER TANK 722,000" WITH CENTER PUMPS ON. OCCURED 3 TIMES. TOTALIZER DID NOT CHANGE WHEN LT QTY DROPPED. ACCOMP FIM 28-41-00. BITE OF FQIS PROCESSOR NO FAULTS NOTED. MOC NOTIFIED TO MONITOR. OK FOR SERVICE.