Airworthiness Directives (ADs)
CAA-2009-05-006
The aircraft owner or operator shall comply with Airworthiness Directives issued by the CAA or the aeronautics authority of the State of Design (SoD) of the aviation products, appliances and parts, and take all necessary actions thereto.
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Issue Date
- 2009/05/12
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Applicability
- Boeing Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-
200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes.
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Model Number
- Boeing Model 747 Airplanes
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CAA AD Number
- CAA-2009-05-006
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2009-09-08
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Effective Date
- 2009/06/11
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Subject
- To detect and correct cracks in the upper lobe doublers. Such
cracks could result in significant degradation of the fuselage structure and reduce its ability to carry
flight loads from the vertical stabilizer, which could adversely affect the controllability of the
airplane.
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Reference Publications (Revision/ATA/SB)
- Boeing Alert Service Bulletin 747-53A2651.
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Remarks
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