Boeing and General Electric have notified airlines about engine icing risk on 747-8 airplanes and 787 Dreamliners with some GE engines, urging carries to avoid flying them near thunderstorms, a Boeing official said.

The issue affects 15 airlines, including Lufthansa , United Airlines, an arm of United Continental , Japan Airlines <9101.T> and Cathay Pacific Airlines <0293.HK>.

(Reporting by Scott Alwyn, Tim Kelly and Hideyuki Sano; Editing by Robert Birsel)