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AD/B747/269 Amdt 1 - Engine Core Cowl Latch Modification
Boeing 747 Series AeroplanesBoeing 747 Series Aeroplanes
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Boeing 747 Series Aeroplanes
| AD/B747/269 Amdt 1 | Engine Core Cowl Latch Modification | 17/2010 |
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| Applicability: | Boeing 747-400 series aircraft equipped with General Electric CF6-80C2 series engines; as specified in the requirement document. |
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| Requirement: | 1. Modify the left and right hand core cowl assemblies of the engines per Boeing Service Bulletin 747-71-2285 Revision 1.2. Do not install aluminium core cowl assembly, part number 224-2301-513 (left hand) or 224-2302-539 (right hand) on any aircraft.Later revisions to SB 747-71-2285, approved by the United States Federal Aviation Administration (FAA) as an Alternate Means of Compliance (AMOC) to FAA AD 2001-16-07, are considered acceptable for compliance with the equivalent Requirements of this AD. |
| Note: FAA AD 2001-16-07 Amdt 39-12375 refers. | |
| Compliance: | 1. Before 24 September 2004.2. As of 6 months after the original effective date of this AD. |
| This Amendment becomes effective on 3 September 2010. | |
| Background: | This modification alleviates a potential unsafe condition in which an engine fire can lead to opening of the core cowl in flight and its separation with the strut fire barrier from the airplane.This amendment notates the acceptance of later revisions of the manufacturer’s data which is approved as an AMOC with FAA AD 2001-16-07.The original issue of this AD became effective on 18 April 2002. |
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Mike Higgins
Delegate of the Civil Aviation Safety Authority
26 August 2010