Airworthiness Directives (ADs)
CAA-2011-04-002
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
- 2011/04/18
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Applicability
- Honeywell International LTS101-600A-2, -3, -3A, LTS101-700D-2, LTS101-650B-1, LTS101-650C-3, LTS101-650C-3A, LTS101-750B-1, LTS101-750B-2, LTS101-750C-1, and LTS101-850B-2 turboshaft engines; and LTP101-600A-1A and LTP101-700A-1A turboprop engines with power turbine rotor, part number (P/N) 4-141-290-01, -02, -03, -05, -06, -11, -12, -13, -14, or -16, installed. These engines are installed on, but not limited to, Eurocopter AS350 and BK117 series and Bell 222 series helicopters; and Page Thrush, Air Tractor AT-302, and Pacific Aero 08-600, Piaggio P166 DL3, and Riley International R421 airplanes.
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Model Number
- Honeywell International Inc. LTS101 Series Turboshaft Engines and LTP101 Series Turboprop Engines
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CAA AD Number
- CAA-2011-04-002
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Aeronautics Authority of Original AD
- FAA
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Original AD Number
- 2011-08-06
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Effective Date
- 2011/05/17
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Subject
- To prevent fracture of the power turbine blade airfoil, which could result in sudden loss of engine power and prevent continued safe flight or safe landing.
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Reference Publications (Revision/ATA/SB)
- ATA 49. Ref. Service Bulletins LT 101-71-00-0252 and LTS101-71-00-0253
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Remarks
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