A Kalitta Air Boeing 747-400, registration N401KZ, was en route at FL370 over the Atlantic Ocean about 550nm southwest of Keflavik (Iceland) and about 1150nm west of East Midlands, EN (UK) in contact with Gander Oceanic Control when the crew received EICAS messages “ENG OIL FILT 2” and “ENG OIL TEMP”.
Flight K4-335 (depart June 10th) from Los Angeles,CA (CF6, inboard left hand).
The crew completed all necessary procedures, turned off the engine, descended to FL330, declared an emergency, and chose to divert to East Midlands. About 2:20 a.m., the plane touched down safely in East Midlands.
A post-flight inspection of the #2 engine discovered internal damage, according to the Canadian TSB. A three-engine ferry flight from East Midlands to the company’s repair facility was conducted through Columbus, Ohio (USA) to Oscoda, Michigan roughly 30 hours after landing (USA). The engine was changed out.
On June 20th, 2021, the aircraft was reintroduced into service.