As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL LAVS INOPERATIVE AFTER TAKEOFF. FOUND BOTH AFT AND FWD LAV TANKS INDICATING FULL UPON ARRIVAL. DRAINED TANKS AND BOTH NOW INDICATE EMPTY. FLUSHED TANKS AND PERFORMED OPS CHECKS. ALL LAVS OPS OK. ETOPS CATEGORY 'E' PROBLEMS WITH SYS CRITICAL TO ETOPS.