Incident at Approximately 5906N 4039W

2010-12-17: At 23:39Z, CS-DKI, Gulfstream G5, enroute from Farnborough (EGLF) to Las Vegas (KLAS), declared an emergency due to engine issues. One engine was idled and the aircraft was diverted to Keflavik (BIKF), at the request of the flight crew. The aircraft departed Gander Oceanic airspace at 00:10Z without further incident. TSB Case Closed.

2011-01-11: UPDATE TSB: A10A0124: CS-DKI, a NetJets Gulfstream GV-SP (G550), was enroute from Farnborough, England to Las Vegas, Nevada when the flight crew observed a high engine oil temperature warning indication on the number two engine (Rolls-Royce BR710). The number two engine was idled in accordance with the checklist procedures and at time 2339z, the crew declared an emergency and was diverted to Keflavik, Iceland at the crew's request. The aircraft left Gander Oceanic airspace at 0010z, landing later at Keflavic without further incident. Subsequent maintenance inspection revealed excessive harness tension in the final loop of the Engine Electronic Controller harness which is connected to the oil temperature transducer at the front face of the accessory gearbox. As a result of this inspection, the electrical connector was replaced on both engines, operational ground run checks were performed and the aircraft released to service.