AD 2015-20-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Pratt & Whitney | Canada Corp | Airworthiness Directives; Pratt & Whitney Canada Corp. Turboprop Engines |
Unsafe Condition
fuel seepage past the metal-to-metal sealing surfaces of the fuel nozzle and fuel manifold flow adapter
Required Actions
remove the O-ring seal from the fuel manifold fitting, remove fuel manifold flow adapter, part numbers (P/Ns) 3059754-01, 3059757-01, and 3059760-01, 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
Compliance Time
Within 1,500 flight hours after the effective date of this AD, or at the next engine shop visit, whichever occurs first
Affected Aircraft
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
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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