Airworthiness directives › 2015-20-03
AD 2015-20-03 Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines
Applicability*9
This AD applies to Pratt & Whitney Canada Corp. (P&WC) PW120, PW121, and PW121A turboprop engines with post SB 21610 configuration; PW124B, PW127, PW127E, and PW127F turboprop engines with post SB 21607 configuration; PW127E and PW127F turboprop engines with serial numbers (S/Ns) PCE-EB0366 and earlier; PW127G turboprop engines with S/Ns PCE-AX0275 and earlier; and PW127M turboprop engines with S/Ns PCE-ED0810 and earlier.
Compliance
After the effective date of this AD, fuel manifold adapter, P/Ns 3059754-01, 3059757-01, and 3059760-01, and fuel manifold gasket, P/N 3079354-01, are not eligible for installation in any engine.
Required actions
For the purpose of this AD, an engine shop visit is the induction of an engine into the shop for maintenance involving the separation of pairs of major mating engine flanges. The separation of engine flanges solely for the purpose of transportation without subsequent engine maintenance does not constitute an engine shop visit.
Unsafe condition
Comply with this AD within the compliance times specified, unless already done. Within 1,500 flight hours after the effective date of this AD, or at the next engine shop visit, whichever occurs first: (1) Remove the O-ring seal from the fuel manifold fitting, (2) Remove fuel manifold flow adapter, part numbers (P/Ns) 3059754-01, 3059757-01, and 3059760-01; and (3) Install a fuel nozzle gasket and fuel manifold flow adapter that are eligible for installation, in accordance with paragraphs 3.A, 3.B, and 3.C of P&WC SB No. PW100-72-21861, dated November 21, 2014.
Affected ADs
This AD replaces AD 2014-14-02, Amendment 39-17896 (79 FR 39958, July 11, 2014).
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