A Delta Airlines Boeing 777-200, registration N702DN performing flight DL-3343 from Frankfurt/Main (Germany) to Chicago O'Hare,IL (USA), was enroute at FL400 about 60nm northnortheast of Moncton,NB (Canada) when the first officer became incapacitated. The captain called the relief first officer to the flight deck and diverted the aircraft to Moncton for a safe landing about 15 minutes later. The first officer was taken to a hospital.
The Canadian TSB reported, the captain summoned the relief first officer to the flight deck and together they provided first aid to the first officer including the use of an automated external defibrillator to stabilize the first officer. After diversion to and landing in Moncton the first officer was transported for medical treatment. The condition of the first officer is currently unknown.