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Airworthiness Directive

AD 2020-18-05: Fuel Control/ Turbine Engines

Airworthiness Directives; Pratt & Whitney Canada Corp. Turboshaft Engines

Effective
Oct 7, 2020
Published
Sep 2, 2020
Registered aircraft
186

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

  • P&W CANADA PT6B-37A
  • Certain serial numbers: PT6B-37A …–PCE-PU0289. Only with: Engines without an installed FCU incorporating a stainless steel air adapter per P&WC SB No. PT6B-72-39107, Revision No. 1.
  • Only with: Engines without an installed FCU incorporating a stainless steel air adapter per P&WC SB No. PT6B-72-39107, Revision No. 1.

Applicability

From the AD text
This AD applies to Pratt & Whitney Canada Corp. (P&WC) PT6B-37A model turboshaft engines with engine serial number PCE-PU0289 and earlier, which do not have an installed fuel control unit (FCU) that incorporates a stainless steel air adapter using P&WC Service Bulletin (SB) No. PT6B-72-39107, Revision No. 1, dated December 13, 2017.

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