Boeing 747 Series Aeroplanes
Boeing 747 Series Aeroplanes
Boeing 747 Series Aeroplanes
| AD/B747/338 | Station 488 Frame Web | 2/2006 |
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| Applicability: | Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, 747SR, and 747SP series aircraft; as listed in Boeing Alert Service Bulletin 747-53A2508 original issue, dated 19 August 2004, or later FAA approved revision. |
|---|---|
| Requirement: | Action in accordance with the technical requirements of FAA AD 2005-22-06Amdt 39-14350. |
| Compliance: | As specified in the Requirement document, with a revised effective date of16 February 2006. |
| This Airworthiness Directive becomes effective on 16 February 2006. | |
| Background: | The FAA received reports of cracking at the upper aft corner of the cutout for main entry door number 1 in the station 488 frame web. Undetected cracking could result in failure of the frame and lead to rapid decompression of the aircraft. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
21 December 2005