Boeing 737 Series Aeroplanes
Boeing 737 Series Aeroplanes
Boeing 737 Series Aeroplanes
| AD/B737/327 | SSI Damage Tolerance Rating | 7/2008 |
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| Applicability: | All Model 737-300, -400, and -500 series aircraft. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2008-09-13 Amdt 39-15494. |
| Compliance: | As specified in the Requirement document, with a revised effective date of3 July 2008. |
| This Airworthiness Directive becomes effective on 3 July 2008. | |
| Background: | The FAA received reports of incidents of fatigue cracking in transport category aircraft that are approaching or have exceeded their design service objective. This Directive requires revising the FAA-approved maintenance inspection program to include inspections that will give no less than the required damage tolerance rating for each structural significant item (SSI), doing repetitive inspections to detect cracks of all SSIs, and repairing cracked structure. The actions required by this Directive are necessary to maintain the continued structural integrity of the entire fleet of Model 737-300, -400, and -500 series aircraft. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
16 May 2008