Airworthiness Directives (ADs)
CAA-2012-03-005
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
- 2012/03/09
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Applicability
- To all Pratt & Whitney Division PW4050, PW4052, PW4056, PW4060, PW4060A, PW4060C, PW4062, PW4062A, PW4152, PW4156, PW4156A, PW4158, PW4160, PW4460, PW4462, and PW4650 turbofan engines, including models with any dash number suffix, with a Pratt & Whitney fuel metering unit (FMU) part number (P/N) 53T335 (HS 801000-1), 55T423 (HS 801000-2), or 50U150 (HS 801000-3)installed.
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Model Number
- Pratt & Whitney Division Turbofan Engines
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CAA AD Number
- CAA-2012-03-005
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2012-04-04
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Effective Date
- 2012/04/05
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Subject
- We are issuing this AD to prevent engine overspeed on these engines, which could result in
an uncontained engine failure and damage to the airplane.
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Reference Publications (Revision/ATA/SB)
- (i)Pratt & Whitney ASB No. PW4ENG A73-220,Revision 1, dated May 18, 2011.
(ii)Hamilton Sundstrand Alert Service Bulletin No. JFC131-2-73-A24, Revision 1, dated May 18, 2011.
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Remarks
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