Airworthiness Directives (ADs)
CAA-2008-04-006
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
- 2008/04/23
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Applicability
- Boeing Model 747-400F and -400 Series Airplanes.
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Model Number
- Boeing Model 747-400F and -400 Series Airplanes
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CAA AD Number
- CAA-2008-04-006
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2008-08-25
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Effective Date
- 2008/05/27
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Subject
- To prevent water from entering the card file and damaging a circuit card. Failure of one or more of the 15 fuel system circuit cards in the card file could cause loss of fuel management, which could cause unavailability of fuel. Failure of one or more of the 35 fire detection circuit cards could cause a false message of a fire, or no message of a fire when there is a fire.
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Reference Publications (Revision/ATA/SB)
- Boeing Alert Service Bulletin 747-25A3370, Revision 1(for Model 747-400F series airplanes);and Boeing Alert Service Bulletin 747-25A3526,(for Model 747-400 series airplanes).
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Remarks
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