FAA: Beechjet Cowlings Potentially Unsafe

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Reports of loose attachment fasteners found on engine cowling panels and the result of loose panels either peeling back or separating from aircraft during flight has led the FAA to propose a new Airworthiness Directive for Beech (Raytheon) Model 400, 400A and 400T series aircraft. The idea is to prevent failure of the fasteners and avert potentially destructive damage to the aircraft and it's downstream components and endanger property or people on the ground. [more] Compliance with the proposed AD would require action within 200 flight hours to modify the cowlings' attachment fasteners in accordance with Ratytheon Service Bulletin SB 5403788 dated December 2006.