Japan Airlines has contracted Lufthansa Technik to provide component support for its Boeing 787 fleet.
The airline has inked a 10-year total support deal with the German MRO provider for the on-board equipment of the 35 aircraft on order.
JAL is to become the first airline to operate the twinjet with General Electric's GEnx-1B64 engine.
The first delivery is planned before the end of the year, JAL said.
The deal is also the first 787 MRO agreement for LHT. The maintenance company will provide spares, repair and logistics services from its hubs in Hamburg and Frankfurt.
Certain material will be located at the airline's base in Tokyo. The two companies have co-operated in the past, when LHT supported JAL's now-retired Airbus A300-600 fleet.