The following information is derived from the FAAs Service Difficulty Reports and Aviation Maintenance Alerts.
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The FAA is advising operators of Cessna 310s to verify during preflight checks and maintenance inspections that the manual emergency gear extension handle is properly stowed.
Its possible for the handle not to be stowed correctly, which can present a danger in flight. If the handle is not properly seated, operating the primary gear motor may rotate the handle in such a way that it strikes the left engine fuel selector and drives the fuel selector to the off position. At the same time, the unseated handle will prevent the gear from retracting, leaving the pilot…