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Boeing 777X 'realistically' will not win certification approval before mid-2023 -- U.S. FAA

June 27 (Reuters) - The U.S. Federal Aviation Administration (FAA) has told Boeing Co that its planned 777X is not yet ready for a significant certification step and warned it “realistically” will not certify the airplane until mid- to late 2023.

The FAA in a May 13 letter to Boeing seen by Reuters cited a number of issues in rejecting a request by the manufacturer to issue a Type Inspection Authorization (TIA) Readiness. “The aircraft is not yet ready for TIA,” the FAA wrote. The letter cites numerous concerns about lack of data and the lack of a preliminary safety assessment for the FAA to review. The letter was reported earlier by the Seattle Times.

Boeing did not immediately comment. (Reporting by David Shepardson; Editing by Lisa Shumaker)

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