Bell Helicopter Textron 427 Series Helic
Bell Helicopter Textron 427 Series Helicopters
Bell Helicopter Textron 427 Series Helicopters
| AD/BELL 427/12 | Cyclic Control Lever Assembly Installation | 12/2009 |
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| Applicability: | Model 427 helicopters, all serial numbers. |
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| Requirement: | For helicopters with less than 50 flight hours in service or with a cyclic lever assembly installed within the last 50 flight hours:Perform a one time inspection and if required, rectification, of the cyclic lever assembly installation, in accordance with accomplishment instructions provided in Bell Alert Service bulletin 427-09-23 dated 10 March 2009, or later Transport Canada approved revision.Note: Transport Canada AD CF-2009-10R1 refers. |
| Compliance: | Before further flight after 19 November 2009, unless already accomplished. |
| This Airworthiness Directive becomes effective on 19 November 2009. | |
| Background: | An incorrectly installed bearing Part Number 206-301-051-101, in the co-pilot cyclic control lever assembly has been discovered during manufacturing. It is possible, that an incorrectly installed bearing could be found in any aircraft with a recently installed cyclic control lever assembly. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
28 September 2009