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Sukhoi Says Superjet 100 Airliner Flaws Gradually Being Fixed

Sukhoi said it is working with suppliers such as Safran SA to modify the Superjet 100 airliner and cure faults that have hobbled operations in the first two years of service.

The regional airliner has struggled with a leak-detection system, the landing gear, and the control surfaces on the wing, the aircraft maker said in a Feb. 9 statement. Finmeccanica SpA own 25 percent of Sukhoi Civil Aircraft and French firms Safran and Thales SA are key suppliers.

Aeroflot, Russia’s largest airline, said it has suffered faults on 40 percent of its Superjet 100 fleet, according to Kommersant. Armavia, the first operator of the jet, also delayed taking more aircraft last year because of technical shortfalls.

“If there is any fault at any SSJ100 detected, it is eliminated together by the manufacturer, the supplier and the carrier representative,” Sukhoi said in the statement. Such deficiencies are typical for aircraft in the first two years of service, it said.

Sukhoi, which is owned by United Aircraft Corp., said it has identified the cause of the leak-detection system malfunction and changes are being made as quickly as possible. Four of 10 aircraft have also already been upgraded to deal with a slat extension fault, a lifting device on the wing.

A landing-gear malfunction has been deemed not systemic occurring on only two aircraft, Sukhoi said. The company is working with supplier Messier-Bugatti-Dowty, a Safran unit, to address the issue.

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