Charbonneau also suggested that suppliers would bear the burden of carrying extra inventory to smooth any disruption, saying it was "very important" that suppliers create "buffer stocks" of critical items.
"Ultimately, working capital in sub-tier suppliers could actually determine how many airplanes are going to get built," he said.a flatter build-up in production with its earnings on Feb. 16, after abandoning its 2022 delivery goals and encountering what it has described as widespread delays in its supply chain.