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AD/B727/101 Amdt 2 - Rear Pressure Bulkhead Web
Boeing 727 Series AeroplanesBoeing 727 Series Aeroplanes
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Boeing 727 Series Aeroplanes
| AD/B727/101 Amdt 2 | Rear Pressure Bulkhead Web | 7/2008 |
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| Applicability: | All Model 727 series aircraft. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 90-24-11 Amdt39-6814.Note: Boeing Alert Service Bulletins (ASB) 727-53A0171 Revision 1 and727-53A0171 Revision 2, refer. |
| Compliance: | As specified in the Requirement document. |
| This Amendment becomes effective on 3 July 2008. | |
| Background: | This Directive implemented Boeing Alert Service Bulletin 727-53-0171 Revision 1 which was issued following the discovery of cracks in thirty airframes. Cracking is attributed to fatigue under cabin pressure cycling.Amendment 1 removed the repetitive inspection requirement for aircraft that have incorporated the preventative modification. It also required that, within 15,000 landings after repair with the -1 repair kit, certain aircraft must be modified by incorporation of a reinforcing strap.Amendment 2 is issued to update this Directive to align with the latest FAA AD, which introduces Revision 2 of the related ASB 727-53A0171. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
23 May 2008