As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LHR - INFLIGHT CDG-DFW. CREW REPORTED LEFT ENGINE HIGH PRESSURE SHUT-OFF VALVE STATUS MESSAGE. EMERGENCY DECLARED FLIGHT DIVERTED LHR LANDED WITHOUT INCIDENT. REPLACED LEFT ENGINE HIGH PRESSURE SHUT-OFF VALVE. SYSTEM GROUND CHECK NORMAL OPERATION.