Boeing 747 Series Aeroplanes
Boeing 747 Series Aeroplanes
Boeing 747 Series Aeroplanes
| AD/B747/345 Amdt 1 | Body Station 1480 Longeron Extension Fittings | 3/2008 |
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| Applicability: | Model 747-100, -100B, -100B SUD, -200B, -200C, -200F, -300, -400, -400D, -400F, 747SR, and 747SP series aircraft; as listed in Boeing Alert Service Bulletin747-53A2515 Revision 1, or later FAA approved revision. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2007-26-17 Amdt 39-15319. |
| Compliance: | As specified in the Requirement document. |
| This Amendment becomes effective on 13 March 2008. | |
| Background: | The FAA received reports of cracking in the longeron extension fittings at body station 1480 due to accidental damage during production. Undetected cracking in the longeron extension fittings could result in rapid decompression of the aircraft, and possible in-flight breakup of the fuselage.Amendment 1 is issued in response to a new FAA AD, which adds aircraft to applicability as a result of reports that accidental drilling damage to the longeron extension fittings was found on aircraft not subject to the existing FAA AD. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
30 January 2008