An Avianca Cargo Airbus A330-200 freighter, registration N331QT performing flight QT-4046 from Amsterdam (Netherlands) to Miami,FL (USA), was enroute at FL340 about 60nm west of Belfast,NI (UK) when the crew decided to return to Amsterdam reporting a minor technical problem. The aircraft descended to FL180 for the way back. On approach to Amsterdam the crew descended the aircraft to FL100, the crew advised they needed no assistance and no emergency services, they just had an electrical degradation in their aircraft preventing the Oceanic crossing. A short time later the crew advised, their company was requesting them to divert to Madrid,SP (Spain), the aircraft climbed to FL230 and diverted to Madrid for a safe landing about 4 hours after aborting the approach to Amsterdam and about 5.5 hours after the decision to turn back to Amsterdam.
The aircraft is still on the ground in Madrid about 20 hours after landing.