Airworthiness Directives (ADs)
CAA-2009-06-009
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
- 2009/06/18
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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-2009-06-009
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2009-12-08
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Effective Date
- 2009/07/16
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Subject
- To detect and correct fatigue cracking of the longeron, which can
propagate and cause damage to the adjacent horizontal stabilizer pivot bulkhead. This damage could
result in loss of structural integrity and consequent inability of the bulkhead to carry flight loads,
which could adversely affect controllability of the airplane.
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Reference Publications (Revision/ATA/SB)
- Boeing Service Bulletin 747-53A2703, Revision 1.
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Remarks
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