22 FEB 2018. A Lufthansa Boeing 747-800, registration D-ABYO performing flight LH-401 from New York JFK,NY (USA) to Frankfurt/Main (Germany) with 127 passengers, was climbing through FL200 out of New York when the crew requested to level off due to an engine (GEnx) problem but to continue the departure route. The crew subsequently advised they wouldn't cross the Atlantic and some time later decided to return to JFK. The crew advised no assistance was needed. When the crew checked in with tower, tower advised emergency vehicles were on stand by, the crew responded the services were not needed. The aircraft landed safely on runway 04L and taxied to the apron. If you enjoyed please support channel by subscribing and hitting the notification bell to get notified on new uploads. Source of communications: www.liveatc.net (usage permission) #REALATC #ATC #ATCCOMUNICATIONS