Airworthiness Directives (ADs)
CAA-2009-02-005
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
- 2009/02/20
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Applicability
- Pratt & Whitney (PW) PW4090 and PW4090-3 turbofan engines with
front turbine hub part number (P/N) 53L601, (part of assembly P/N 53L121), installed. These engines
are installed on, but not limited to, Boeing 777-200 series and 777-300 series airplanes.
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Model Number
- Pratt & Whitney (PW) PW4090 and PW4090-3 turbofan engines
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CAA AD Number
- CAA-2009-02-005
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2009-04-02
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Effective Date
- 2009/03/24
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Subject
- To prevent an uncontained failure of the front
turbine hub, resulting in an in-flight engine shutdown and possible damage to the airplane.
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Reference Publications (Revision/ATA/SB)
- Pratt & Whitney Service Bulletin PW4G-112-72-290.
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Remarks
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