[4910-13-P]DEPARTMENTOFTRANSPORTATIONFederalAviationAdministration14CFRPart39[DocketNo.FAA-2013-1059;DirectorateIdentifier2013-NE-36-AD;Amendment39-18281;AD2015-20-03]RlN2120-AA64AirworthinessDirectives;Pratt&WhitneyCanadaCorp.TurbopropEnginesAGENCY:FederalAviationAdministration(FAA),DOT.ACTION:Finalrule.SUMMARY:Wearesupersedingairworthinessdirective(AD)2014-14-02forcertainPratt&WhitneyCanadaCorp.(P&WC)PW120,PW121,PW121A,PW124B,PW127,PW127E,PW127F,PW127G,andPW127Mtmbopropengines.AD2014-14-02requiredremovalofthe0-ringsealfromthefuelmanifoldfitting.ThisnewADrequiresreplacementofthefuelnozzleand thefuelmanifoldflowadapter.ThisADwaspromptedbyreportsoffuelleaksattheinterfacebetweenthefuelmanifoldandthefuelnozzlethatresultedinenginefire.WeareissuingthisADtocorrecttheunsafeconditionontheseproducts.DATES:ThisADiseffective[INSERTDATE35DAYSAFTERDATEOFPUBLICATIONINTHEFEDERALREGISTER].TheDirectoroftheFederalRegisterapprovedtheincorporationbyreferenceofacertainpublicationlistedinthisADasof[INSERTDATE35DAYSAFTERDATEOFPUBLICATIONINTHEFEDERALREGISTER].ADDRESSES:ForserviceinformationidentifiedinthisAD,contactPratt&WhitneyCanadaCorp.,1000Marie-Victorin,Longueuil,Quebec,Canada,J4G1A1;phone:800-268-8000;fax:450-647-2888;Website:www.pwc.ca.YoumayviewthisserviceinformationattheFAA,Engine&PropellerDirectorate,12NewEnglandExecutivePark,Burlington,MA.ForinformationontheavailabilityofthismaterialattheFAA,call781-238-7125.ItisalsoavailableontheInternetathttp://www.regulations.govbysearchingforandlocatingDocketNo.FAA-2013-1059.ExaminingtheADDocketYoumayexaminetheADdocketontheInternetathttp://www.regulations.govbysearchingforandlocatingDocketNo.FAA-2013-1059;orinpersonattheDocketManagementFacilitybetween9a.m.and5p.m.,MondaythroughFriday,exceptFederalholidays.TheADdocketcontainsthisAD,themandatorycontinuingairworthinessinformation,regulatoryevaluation,anycommentsreceived,andotherinformation.TheaddressfortheDocketOffice(phone:800-647-5527)isDocumentManagementFacility,U.S.DepartmentofTransportation,DocketOperations,M-30,WestBuildingGroundFloor,RoomW12-140,1200NewJerseyAvenueSE.,Washington,DC20590.FORFURTHERINFORMATIONCONTACT:BarbaraCaufield,AerospaceEngineer,EngineCertificationOffice,FAA,Engine&PropellerDirectorate,12NewEnglandExecutivePark,Burlington,MA01803;phone:781-238-7146;fax:781-238-7199;email:barbara.caufield@faa.gov.2SUPPLEMENTARYINFORMATION:DiscussionWeissuedanoticeofproposedrulemaking(NPRM)toamend14CFRpart39tosupersedeAD2014-14-02,Amendment39-17896(79FR39958,July11,2014),("AD2014-14-02").AD2014-14-02appliedtocertainP&WCPW120,PW121,PW121A,PW124B,PW127,PW127E,PW127F,PW127G,andPW127Mturbopropengines.TheNPRMpublishedintheFederalRegisteronJune2,2015(80FR31325).TheNPRMproposedtorequirereplacementofthefuelnozzleand thefuelmanifoldflowadapter.RelatedServiceInformationunder1CFRPart51WereviewedP&WCSBNo.PWl00-72-21861,datedNovember21,2014,whichidentifiesthefinalfuelnozzleconfiguration.ThisserviceinformationisreasonablyavailablebecausetheinterestedpartieshaveaccesstoitthroughtheirnormalcourseofbusinessorbythemeansidentifiedintheADDRESSESsectionofthisNPRM.CommentsWegavethepublictheopportunitytoparticipateindevelopingthisAD.WereceivednocommentsontheNPRM(79FR39958,July11,2014)oronthedeterminationofthecosttothepublic.ConclusionWereviewedtheavailabledataanddeterminedthatairsafetyand thepublicinterestrequireadoptingthisADasproposed.CostsofComplianceWeestimatethatthisADaffects150enginesinstalledonairplanesofU.S.registry.Wealsoestimatethatitwilltakeabout2.5hoursperenginetocomplywiththis3AD.Theaveragelaborrateis$85perhour.Requiredpartscostabout$146,594perengine.Basedonthesefigures,weestimatethecostofthisADonU.S.operatorstobe$22,020,975.AuthorityforthisRulemakingTitle49oftheUnitedStatesCodespecifiestheFAA'sauthoritytoissuerulesonaviationsafety.SubtitleI,Section106,describestheauthorityoftheFAAAdministrator.SubtitleVII,AviationPrograms,describesinmoredetailthescopeoftheAgency'sauthority.Weareissuingthisrulemak:ingundertheauthoritydescribedinSubtitleVII,PartA,SubpartIII,Section44701,"'Generalrequirements."Underthatsection,CongresschargestheFAAwithpromotingsafeflightofcivilaircraftinaircommercebyprescribingregulationsforpractices,methods,andprocedurestheAdministratorfindsnecessaryforsafetyinaircommerce.Thisregulationiswithinthescopeofthatauthoritybecauseitaddressesanunsafeconditionthatislikelytoexistordeveloponproductsidentifiedinthisrulemakingaction.RegulatoryFindingsThisADwillnothavefederalismimplicationsunderExecutiveOrder13132.ThisADwillnothaveasubstantialdirecteffectontheStates,ontherelationshipbetweenthenationalgovernmentandtheStates,oronthedistributionofpowerandresponsibilitiesamongthevariouslevelsofgovernment.Forthereasonsdiscussedabove,IcertifythatthisAD:(1)Isnota"significantregulatoryaction"underExecutiveOrder12866,4(2)Isnota"significantrule"underDOTRegulatoryPoliciesandProcedures(44FR11034,February26,1979),(3)WillnotaffectintrastateaviationinAlaskatotheextentthatitjustifiesmakingaregulatorydistinction,and(4)Willnothaveasignificanteconomicimpact,positiveornegative,onasubstantialnumberofsmallentitiesunderthecriteriaoftheRegulatoryFlexibilityAct.ListofSubjectsin14CFRPart39Airtransportation,Aircraft,Aviationsafety,Incorporationbyreference,Safety.AdoptionoftheAmendmentAccordingly,undertheauthoritydelegatedtomebytheAdministrator,theFAAamendspart39oftheFederalAviationRegulations(14CFRpart39)asfollows:PART39-AIRWORTHINESSDIRECTIVES1.Theauthoritycitationforpart39continuestoreadasfollows:Authority:49U.S.C.106(g),40113,44701.§39.13[Amended]2.TheFAAamends§39.13byremovingairworthinessdirective(AD)2014-14-02],Amendment39-17896(79FR39958,July11,2014),andaddingthefollowingnewAD:2015-20-03Pratt&WhitneyCanadaCorp.:Amendment39-18281;DocketNo.FAA-2013-1059;DirectorateIdentifier2013-NE-36-AD.(a)EffectiveDateThisADiseffective[INSERTDATE35DAYSAFTERDATEOFPUBLICATIONINTHEFEDERALREGISTER].5(b)AffectedADsThisADreplacesAD2014-14-02,Amendment39-17896(79FR39958,July11,2014).(c)ApplicabilityThisADappliestoPratt&WhitneyCanadaCorp.(P&WC)PW120,PW121,andPW121AturbopropengineswithpostSB21610configuration;PW124B,PW127,PW127E,andPW127FturbopropengineswithpostSB21607configuration;PW127EandPW127Fturbopropengineswithserialnumbers(SINs)PCE-EB0366andearlier;PW127GturbopropengineswithSINsPCE-AX0275andearlier;andPW127MturbopropengineswithSINsPCE-ED0810andearlier.(d)UnsafeConditionThisADwaspromptedbyreportsoffuelseepagepastthemetal-to-metalsealingsurfacesofthefuelnozzleandfuelmanifoldflowadapter.WeareissuingthisADtopreventin-flightfuelleakage,enginefire,damagetotheengine,anddamagetotheairplane.(e)ComplianceComplywiththisADwithinthecompliancetimesspecified,unlessalreadydone.Within1,500flighthoursaftertheeffectivedateofthisAD,oratthenextengineshopvisit,whicheveroccursfirst:(1)Removethe0-ringsealfromthefuelmanifoldfitting,(2)Removefuelmanifoldflowadapter,partnumbers(PINs)3059754-01,3059757-01,and3059760-01;and6(3)Installafuelnozzlegasketandfuelmanifoldflowadapterthatareeligibleforinstallation,inaccordancewithparagraphs3.A,3.B,and3.CofP&WCSBNo.PWl00-72-21861,datedNovember21,2014.(f)InstallationProhibitionAftertheeffectivedateofthisAD,fuelmanifoldadapter,PINs3059754-01,3059757-01,and3059760-01,andfuelmanifoldgasket,PIN3079354-01,arenoteligibleforinstallationinanyengine.(g)DefinitionForthepurposeofthisAD,anengineshopvisitistheinductionofanengineintotheshopformaintenanceinvolvingtheseparationofpairsofmajormatingengineflanges.Theseparationofengineflangessolelyforthepurposeoftransportationwithoutsubsequentenginemaintenancedoesnotconstituteanengineshopvisit.(h)AlternativeMethodsofCompliance(AMOCs)TheManager,EngineCertificationOffice,FAA,mayapproveAl'v10CstothisAD.Usetheproceduresfoundin14CFR39.19tomakeyourrequest.Youmayemailyourrequestto:ANE-AD-AMOC@faa.gov.(i)RelatedInformation(1)FormoreinformationaboutthisAD,contactBarbaraCaufield,AerospaceEngineer,EngineCertificationOffice,FAA,Engine&PropellerDirectorate,12NewEnglandExecutivePark,Burlington,MA01803;phone:781-238-7146;fax:781-238-7199;email:barbara.caufield@faa.gov.(2)RefertoMCAITransportCanadaADCF-2014-41,datedNovember26,2014,forrelatedinformation.YoumayexaminetheMCAIintheADdocketontheInternetat7http://www.regulations.govbysearchingforandlocatingitinDocketNo.FAA-2013-1059.(j)MaterialIncorporatedbyReference(1)TheDirectoroftheFederalRegisterapprovedtheincorporationbyreference(IBR)oftheserviceinformationlistedinthisparagraphunder5U.S.C.552(a)and1CFRpart51.(2)YoumustusethisserviceinformationasapplicabletodotheactionsrequiredbythisAD,unlesstheADspecifiesotherwise.(i)Pratt&WhitneyCanadaCorp.ServiceBulletin(SB)No.PW!00-72-21861,datedNovember21,2014.(ii)Reserved.(3)ForPratt&WhitneyCanadaCorp.serviceinformationidentifiedinthisAD,contactPratt&WhitneyCanadaCorp.,1000Marie-VictorinBlvd.,Longueuil,Quebec,Canada,J4G!A!;phone:800-268-8000;fax:450-647-2888;Website:www.pwc.ca.(4)YoumayviewthisserviceinformationatFAA,Engine&PropellerDirectorate,12NewEnglandExecutivePark,Burlington,MA.ForinformationontheavailabilityofthismaterialattheFAA,call781-238-7125.(5)YoumayviewthisserviceinformationattheNationalArchivesandRecordsAdministration(NARA).ForinformationontheavailabilityofthismaterialatNARA,call202-741-6030,orgoto:http://www.archives.gov/federal-register/cfr/ibrlocations.html.8IssuedinBurlington,Massachusetts,onSeptember22,2015.Cb_fh__!VtColleenM.D'Alessandro,DirectorateManager,Engine&PropellerDirectorate,AircraftCertificationService.9