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Airworthiness Directive

AD 2018-07-17: Turbine Section

Airworthiness Directives; Safran Helicopter Engines, S.A., Turboshaft Engines

Effective
Apr 27, 2018
Published
Apr 12, 2018
Registered aircraft
37

Models this AD may apply to

AI-extracted — verify against original

Matched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.

Engines

  • SAFRAN ARRIUS 2B1A
  • SAFRAN ARRIUS 2B2
  • Serial numbers per Appendix 2.1 of Safran Helicopter Engines MSB No. A319 72 2854, Version A, dated February 9, 2018. Only with: Power turbine wheel (PTW) assembly with a serial number listed in the MSB appendix installed.
  • Only with: Power turbine wheel (PTW) assembly with a serial number listed in the MSB appendix installed.

Applicability

From the AD text
This AD applies to Safran Helicopter Engines, S.A., Arrius 2B1, 2B1A, 2B2, and 2K1 turboshaft engines with a power turbine wheel (PTW) assembly having a serial number listed in Appendix 2.1 of Safran Helicopter Engines Mandatory Service Bulletin (MSB) No. A319 72 2854, Version A, dated February 9, 2018.

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