SEOUL – Investigators on Saturday expect to compile the complete transcript from the cockpit voice recorder recovered from the wreckage of the Jeju Air Boeing 737-800 that crashed on Sunday in South Korea, the transport ministry said in a statement.

The ministry said investigators have recovered one of the plane's two engines and plan to retrieve the other on Saturday.

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They also aim to study the plane's tail and landing gear at the crash scene.

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The ministry, which is conducting checks on all of the Boeing 737-800 planes operated by Korean airlines, plans to require immediate corrective measures if problems are found.