Reliable Base and Line Maintenance Services for Narrow Body Aircraft Lufthansa Technik Budapest offers premium quality base, line maintenance and modification services for the Boeing 737 (Classic, Next Generation, MAX) and for the A320 family (Classic, Enhanced, Neo) of aircraft. The company is part of Lufthansa Technik, the leading provider of MRO services in the world's airline business, with more than 400 highly skilled engineers and mechanics available at the location in Budapest, complemented by colleagues for line maintenance services offered at the airports of Budapest and Debrecen.