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AD/B737/295 - Airstair Doorstop Intercostal
Boeing 737 Series AeroplanesBoeing 737 Series Aeroplanes
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Boeing 737 Series Aeroplanes
| AD/B737/295 | Airstair Doorstop Intercostal | 10/2006 |
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| Applicability: | Model 737-700 and 737-800 series aircraft; as identified in Boeing Special Attention Service Bulletin 737-53-1236 Revision 1, dated 10 November 2005, or later FAA approved revision. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2006-16-11 Amdt 39-14711. |
| Compliance: | As specified in the Requirement document, with a revised effective date of28 September 2006. |
| This Airworthiness Directive becomes effective on 28 September 2006. | |
| Background: | The FAA received a report of fatigue cracks of the backup intercostals located above the cutout for the forward airstair door. Such cracking, unless detected and corrected, could result in more extensive fatigue cracking and lead to possible loss of cabin pressure. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
17 August 2006