During the flight from New York to Schiphol, three issues were noted: fluctuations in the autopilot speed regulation, problems with a radio, and fluctuations in the voltage of the electrical generator on engine number three, the inboard engine on the right wing that would later detach from the aircraft and initiate the accident.
Durante o voo de Nova York a Schiphol notáronse tres problemas: fluctuacións na regulación de velocidade do piloto automático, problemas cunha radio e fluctuacións na voltaxe do xerador eléctrico no motor número 3, o motor interior da á dereita que posteriormente separouse do avión e iniciou o accidente.