Boeing has more than 130 completed MAX jets in inventory for Chinese customers worth more than $15 billion at list prices, although airlines typically receive substantial discounts. The Civil Aviation Administration of China (CAAC) on April 14 released the second revision of its 737 evaluation report which incorporates updates to 737 MAX training and technical information. Chinese airlines begun returning the MAX to service in January led by China Southern (600029.SS) and as of April, all Chinese MAX operators have resumed flight operations, with 45 of 95 MAX jets now back in service, Calhoun said. China Eastern (600115.SS) and China Southern said in March they would resume taking delivery of MAX jets this year, without providing further details. The CAAC report is a reason for "incremental" optimism on MAX momentum in China, Myles Walton of Wolfe Research wrote in to a note to investors.

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