As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK INFLIGHT RDU-LHR. FLIGHT CREW REPORTED RIGHT STRUT DUCT LEAK MESSAGE ON EICAS AFTER TAKEOFF. EMERGENCY DECLARED FLIGHT DIVERTED JFK LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED DUCT AND WHEEL WELL FIRE CARD M691. SYSTEM GROUND CHECK NORMAL OPERATION.