engines were removed after 1,500-3,000 cycles, below the 7,000 specified, and no replacements were available. PowerJet was expanding its repair capacity and lease pool as engine maturity improved, noting that the SaM146 engine achieved 99.9% dependability since its 2011 introduction. Productivity In September 2018, Interjet was reported to be considering replacing its SSJ100s with Airbus A320neos, to make better use of its slots, with the SSJ technical problems possibly also a factor. On 12 September, Interjet denied the report. It was later reported that Interjet intends to phase out some of its Superjets and take 20 more A320neos, maybe alongside newer Superjet deliveries; it will have access to an enhanced SSJ spares inventory in Mexico City and is installing a flight simulator in Toluca. The updated SSJs would have winglets, a higher MTOW and improved systems and interior. Sukhoi has also proposed to increase the cabin density from 93 to 108 seats by reducing the pitch from . While the airline was attracted by its low introductory price, Sukhoi was forced to reimburse Interjet in 2018 after its fleet of 30 suffered persistent faults. In October 2018, Sukhoi and engine contractor UEC agreed on a plan, backed by the Russian government, to focus on customer support rather than deliveries in order to improve dispatch reliability. At the end of November 2018, United Aircraft Corporation transferred from Sukhoi Holding to the Irkut Corporation, to become UAC's airliner division. By then, Brussels Airlines was seeking alternatives for its four SSJ100s wet-leased from CityJet, as teething problems affected their reliability. By February 2019, CityJet's remaining five SSJ100s stood idle and were expected to be transferred to Slovenia's Adria Airways, which committed for 15 in late 2018, though Adria subsequently cancelled its order in April 2019. Neither CityJet nor Brussels Airlines have commented as to why they dropped the SSJ, though low reliability, difficult maintenance and spare parts availability are suspected to have contributed. By the end of the first quarter of 2019, 15 of Interjet's 22 SSJs were out of service. Further talks with Sukhoi were deadlocked, with Interjet reportedly unwilling to pay for repairs to the PowerJet SaM146 engines. Interjet's reliability issues are compounded by the lack of service facilities in the Americas for the SSJ, a factor which also contributed to the poor reliability recorded by CityJet, On 15 May 2019, Interjet announced that it is to sell its 20 SSJs,