As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF AND CLIMB GOT A R ENG FUEL FILTER MESSAGE. MESSAGE GOES OUT BELOW 88 PERCENT N1. RETURNED TO JFK AFTER DUMPING FUEL. LANDED BELOW MAX LDG WEIGHT. FOUND DIFF PRESS SWITCH AT FAULT REPLACED SAME R/U AND LEAK CK OK. MAIN FUEL FILTER CLEAN. ETOPS CATEGORY 'B': DIVERSION OR TURNBACK