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AD/B737/323 - MLG Support Beam
Boeing 737 Series AeroplanesBoeing 737 Series Aeroplanes
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Boeing 737 Series Aeroplanes
| AD/B737/323 | MLG Support Beam | 6/2008 |
|---|
| Applicability: | Model 737-100, -200, -200C, -300, -400, and -500 series aircraft. |
|---|---|
| Requirement: | Action in accordance with the technical requirements of FAA AD 2008-08-10 Amdt 39-15462.Note: Boeing Service Bulletins 737-57A1266 Revision 1, and 737-57-1052Revision 4, or later FAA approved revision, 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 reports of fatigue cracking of the outboard stabilising fitting and stress corrosion cracking of the bolts attaching the fitting to the wing rear spar. Such cracking, unless detected and corrected, could result in disconnection of the main landing gear actuator from the rear spar and support beam, consequent damage to the hydraulic system with possible loss of the “A” and “B” hydraulic systems, and damage or jamming of the flight control cables. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
21 April 2008