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AD/B767/240 - Horizontal Stabiliser Ballscrew
Boeing 767 Series AeroplanesBoeing 767 Series Aeroplanes
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Boeing 767 Series Aeroplanes
| AD/B767/240 | Horizontal Stabiliser Ballscrew | 6/2008 |
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| Applicability: | All Model 767-200, -300, -300F, and -400ER aircraft. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2008-06-06 Amdt 39-15418.Note: Boeing Service Bulletins 767-27A0194 Revision 2 and 767-27A0195Revision 2, or later FAA approved revisions, refer. |
| Compliance: | As specified in the Requirement document, with a revised effective date of5 June 2008. |
| This Airworthiness Directive becomes effective on 5 June 2008. | |
| Background: | The FAA received a report of extensive corrosion of a ballscrew in the drive mechanism of the horizontal stabiliser on a similar aircraft model. An undetected failure of the primary load path for the ballscrew in the drive mechanism of the horizontal stabiliser and subsequent wear and failure of the secondary load path, could lead to loss of control of the horizontal stabiliser and consequent loss of control of the aircraft. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
16 April 2008