Airworthiness Directives (ADs)
CAA-2010-10-001
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
- 2010/10/05
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Applicability
- The Boeing Company Model 747-400, 747-400D, and 747-400F series airplanes.
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Model Number
- The Boeing Company Model 747-400, 747-400D, and 747-400F Series Airplanes
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CAA AD Number
- CAA-2010-10-001
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2010-20-12
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Effective Date
- 2010/11/05
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Subject
- To prevent an electrical hot short from a source outside the FQIS to the densitometer wiring from causing failure of the FQIS densitometer resistors, which could result in an ignition source inside the center or horizontal stabilizer fuel tanks. An ignition source, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
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Reference Publications (Revision/ATA/SB)
- Boeing Service Bulletin 747-28A2266, Revision 1 and Boeing Alert Service Bulletin 747-28A2267.
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Remarks
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