Why is Comac struggling to get spare parts for the C919?

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US Export Rules Impede C919 Spare Parts Acquisition for Comac

Comac is experiencing difficulties in obtaining spare parts for its C919 aircraft program due to stringent US export regulations that require special licenses for companies with ties to the Chinese military. This has resulted in delays in receiving necessary components and assistance from suppliers, impacting the aircraft's certification and production timelines. The C919's heavy reliance on Western-made engines and avionics makes it particularly susceptible to these trade restrictions.
US Licensing Requirements Affect Supply Chain

The US government's requirement, in place since December 2020, for special licenses to export parts and technology to entities linked to the Chinese military has significantly disrupted Comac's supply chain. This measure, implemented after two key Comac subsidiaries were added to a list of companies with military ties, necessitates a bureaucratic process for obtaining approvals, slowing down the acquisition of essential components and technical support from US-linked suppliers.
Reliance on Western Components Creates Vulnerability

The C919 program is heavily dependent on critical foreign components, notably its engines and avionics systems, which are sourced from Western manufacturers. This dependence exposes the program to risks associated with US trade policy crackdowns on technology transfers. While some US-linked suppliers are gradually securing the necessary licenses, the process has introduced months-long delays, directly affecting the pace of Chinese certification and potentially impacting early production phases.
Delays Threaten Production and Certification Schedules

The inability to secure timely assistance and spare parts has led to a slowdown in the C919's progress, contributing to its absence from major air shows and causing it to fall behind its initial certification schedule. Industry sources indicate that Comac is actively engaged in extensive test flights to meet the minimum flight hour requirements for Chinese certification. Although the aircraft is expected to receive its type certificate by the end of the year, it is anticipated that there will be numerous operational limitations, with further upgrades required post-certification.

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Why is Comac struggling to get spare parts for the C919?

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