Beechcraft 400 Series Aeroplanes
Beechcraft 400 Series Aeroplanes
Beechcraft 400 Series Aeroplanes
| AD/BEECH 400/28 | Engine Cowling Panel Fasteners | 12/2007 |
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| Applicability: | Model 400, 400A, and 400T series aircraft, as identified in Raytheon Service Bulletin SB 54-3788 dated December 2006, or later FAA approved revision. |
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| Requirement: | Modify the attachment fasteners on the engine cowling panels in accordance with the Accomplishment Instructions of Raytheon Service Bulletin SB 54-3788 original issue, or later FAA approved revision.Note: FAA AD 2007-19-05 Amdt 39-15195 refers. |
| Compliance: | Within 200 flight hours after 22 November 2007. |
| This Airworthiness Directive becomes effective on 22 November 2007. | |
| Background: | The FAA received several reports of loose attachment fasteners on the engine cowling panels, with the panels either peeling back or separating from the aircraft during flight. Separation of a panel during flight could result in damage to aircraft structure, or cause injury to people or damage to property on the ground. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
9 October 2007