Bell Helicopter Textron Canada (BHTC) 20
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters
Bell Helicopter Textron Canada (BHTC) 206 and Agusta Bell 206 Series Helicopters
| AD/BELL 206/166 Amdt 1 | Main Rotor Latch Bolts | 7/2007 DM |
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| Applicability: | Model 206 A and Model 206 B helicopters, with serial numbers up to and including serial number 3216, with main rotor latch bolts, part numbers 206-010-169-001/-003 and 206-011-122-003, installed. |
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| Requirement: | Remove from service the applicable main rotor latch bolts and replace with serviceable parts, in accordance with BHTC Alert Service Bulletin 206-06-109 original issue, or later Transport Canada approved revision.Note: Transport Canada AD CF-2006-23R1 refers. |
| Compliance: | Unless already accomplished, at the next scheduled main rotor hub disassembly after 7 May 2007, but no later than 7 June 2007. |
| This Amendment becomes effective on 8 May 2007. | |
| Background: | The manufacturer’s re-evaluation of the structural analysis indicates the need for the removal from service of the affected bolts in the main rotor latch application.Amendment 1 is issued in response to a revision of the related Transport Canada AD, which clarifies applicability for those Model 206 B helicopters that were converted from Model 206 A helicopters, and have serial numbers within the range of the Model 206 A. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
2 May 2007