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AD/B737/264 - Horizontal Stabiliser Centre Section Front Spar
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Boeing 737 Series Aeroplanes
| AD/B737/264 | Horizontal Stabiliser Centre Section Front Spar | 13/2005 |
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| Applicability: | Model 737-100, -200, and -200C series aircraft; line numbers 1 through 315, 323, and 324. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2000-15-12Amdt 39-11844.Note: Boeing Alert Service Bulletin 737-55A1071 original issue, or later FAA approved revision, refers. |
| Compliance: | As specified in the Requirement document, with a revised effective date of22 December 2005. |
| This Airworthiness Directive becomes effective on 22 December 2005. | |
| Background: | The FAA received reports indicating that, during regular maintenance, operators found stress corrosion cracks in the front spar of the centre section of the horizontal stabiliser on two Model 737-100 and -200 series aircraft. Cracks in the front spar will decrease the structural strength of the centre section of the horizontal stabiliser, and could lead to structural failure. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
10 November 2005