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Airworthiness Directive

AD 2005-10-13: Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E…

Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company) 250-B17B, -B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W Turboprop and Turboshaft Engines

Effective
Jun 22, 2005
Published
May 18, 2005
Registered aircraft
728

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

  • ALLISON 250-B17B
  • ALLISON 250-B17C
  • ALLISON 250-B17D
  • ALLISON 250-B17E
  • ALLISON 250-C20
  • ALLISON 250-C20 SER
  • ALLISON 250-C20B
  • ALLISON 250-C20F
  • ALLISON 250-C20J
  • ALLISON 250-C20S
  • ALLISON 250-C20W
  • Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed.
  • Only with: Engines that do not have turbine energy absorbing ring RRC P/N 23035175, or an equivalent FAA-approved serviceable ring, installed.

Applicability

From the AD text
This AD applies to Rolls-Royce Corporation (RRC) (formerly Allison Engine Company) 250-B17B, B17C, -B17D, -B17E, -C20, -C20B, -C20F, -C20J, -C20S, and -C20W turboprop and turboshaft engines that do not have turbine energy absorbing ring, RRC part number (P/N) 23035175, or an equivalent FAA-approved serviceable turbine energy absorbing ring, installed. These engines are installed on, but not limited to, the following aircraft: Agusta A109 Agusta A109A Agusta A109A II B-N Group BN-2T Bell 206A Bell 206B Bell 206L Bell Helicopter Textron 47G-2A (Supplemental Type Certificate (STC) SH657NW) Bell Helicopter Textron 47G-2A-1 (STC SH657NW) Bell Helicopter Textron 47G-3B (STC SH657NW) Bell Helicopter Textron 47G-3B-1 (TH-13T) (STC SH657NW) Bell Helicopter Textron 47G-3B-2 (STC SH657NW) Bell Helicopter Textron 47G-3B-2A (STC SH657NW) Bell Helicopter Textron 47G-4 (STC SH657NW) Bell Helicopter Textron 47G-4A (STC SH657NW) Bell Helicopter Textron 47G-5 (STC SH657NW) Bell Helicopter Textron 47G-5A (STC SH657NW) Eurocopter Deutchland BO-105C Eurocopter Deutchland BO-105C (STC SH218NW-D) Eurocopter Deutchland BO-105S Eurocopter France AS355E Eurocopter France AS355F Eurocopter France AS355F1…

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