HARTZELL PROPELLER INC. SERVICE BULLETINhartzellprop.com/wp-content/uploads/2012/12/SB304-R01-W.pdf · - Identifies the possibility of the occurrence of blade flutter with blades

HARTZELL PROPELLER INC.

SERVICE BULLETINTRANSMITTAL SHEET

HC-SB-61-304Propeller - Introduction of an Improved Blade

August 1, 2012

This page transmits a revision to Service Bulletin HC-SB-61-304.

• OriginalIssue,datedJul18/08 • Revision1,datedAug01/12

PropellerassembliesthathavepreviouslycompliedwiththebladereplacementinstructionsinapreviousversionofthisServiceBulletinarenotaffected.

PropellerassembliesthathavepreviouslycompliedwithonlythebladeinspectioninstructionsinapreviousversionofthisServiceBulletinareaffected.

FAAapprovalhasbeenobtainedontechnicaldatainthispublicationthataffectstypedesign.

Changesareshownbyachangebarintheleftmarginoftherevisedpages.

ThisrevisionisissuedtochangethefollowingintheServiceBulletin:

- Identifiesthepossibilityoftheoccurrenceofbladeflutterwithbladesnearmanufacturingspecifications

- IdentifiesthedocumentasInstructionsforContinuingAirworthiness

- Requiresreplacementofaffectedblades

- AddsanAppendix

ThisServiceBulletinisreissuedinitsentirety.


SERVICE BULLETINTRANSMITTAL SHEET

HC-SB-61-304Propeller - Introduction of an Improved Blade

(This page is intentionally blank.)


SERVICE BULLETINHC-SB-61-304

Propeller - Introduction of an Improved Blade

Jul18/08 HC-SB-61-304Revision1,datedAug01/12 Page1of10

1. PlanningInformation

A. Effectivity

(1) HawkerBeechcraftKingAirB100aircraftwithHartzellsteelhubpropellerHC-B4TN-5(C,F)/T10173F(N)(B,K)-12.5areaffectedbythisServiceBulletin.

(2) ApplicationsthathavecompliedwiththebladereplacementinstructionsinapreviousversionofthisServiceBulletinarenotaffectedbythisrevision.

(3) T10173F(N)(B,K)-12.5bladesinstock/inventoryareaffectedbythisServiceBulletin.

CAUTION: DONOTUSEOBSOLETEOROUTDATEDINFORMATION.PERFORMALLINSPECTIONSORWORKINACCORDANCEWITHTHEMOSTRECENTREVISIONOFTHISSERVICEBULLETIN.INFORMATIONCONTAINEDINTHISSERVICEBULLETINMAYBESIGNIFICANTLYCHANGEDFROMEARLIERREVISIONS.FAILURETOCOMPLYWITHTHISSERVICEBULLETINORTHEUSEOFOBSOLETEINFORMATIONMAYCREATEANUNSAFECONDITIONTHATMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.REFERTOTHESERVICEBULLETININDEXFORTHEMOSTRECENTREVISIONLEVELOFTHISSERVICEBULLETIN.

B. ConcurrentRequirements

(1) AirworthinessDirectives72-08-04,96-18-14,HartzellServiceBulletinsHC-SB-61-97AandHC-SB-61-261mustbeperformedinconjunctionwiththisService Bulletin.

(2) Additionalservicedocumentsmayapplytothecomponents/propellersaffectedbythisServiceBulletin.CompliancewithadditionalservicedocumentsmaybenecessaryinconjunctionwiththecompletionoftheAccomplishmentInstructionsinthisServiceBulletin.RefertotheHartzellPropellerwebsiteatwww.hartzellprop.comforacross-referenceofservicedocuments.

C. Reason

(1) Therehavebeensporadicreportsofbladeflutterduringlandingwhileusingpropellerreversing.Aninvestigationidentifiedagreaterlikelihoodforthisoccurrencewithbladesnearingdimensionalminimums.

(a) Thissameoccurrenceofbladeflutterisalsopossiblewithbladesnearoriginalmanufacturingspecifications.

(b) Thisconditioncancausecrackedand/orfailedblades.RefertoFigure1.

©2008,2012-HartzellPropellerInc.-Allrightsreserved





WARNING: UNUSUALORABNORMALVIBRATION,WHERETHECONDITIONINITIATEDSUDDENLY,CANBEANINDICATIONOFAFAILINGPROPELLERBLADEORBLADERETENTIONCOMPONENT.ANINFLIGHTBLADESEPARATIONMAYRESULTINDEATH,SERIOUSBODILYINJURY,AND/ORSUBSTANTIALPROPERTYDAMAGE.UNUSUALORABNORMALVIBRATIONDEMANDSIMMEDIATEINSPECTION.PROPELLERBLADESEPARATIONMAYORMAYNOTBEPRECEDEDBYVIBRATION.

(2) BladeFluttercanbeidentifiedbyalargeincreaseinsoundlevelduringapplication of reverse.

(3) BladereplacementinaccordancewiththeCompliancesectionofthisServiceBulletinwillminimizethetendencyforflutter.

(4) ReplacementofallT10173F(N)(B,K)-12.5bladeswithimprovedT10173AN(B,K)-12.5bladesisterminatingactionforthisServiceBulletin.

(5) Regulatoryactionisunknown.

D. Description

(1) ThisdocumentprovidesInstructionsforContinuingAirworthiness(ICA).

(2) ThisServiceBulletinintroducesanimproved,thickerblademodelT10173AN(B,K)-12.5asareplacementitemforT10173F(N)(B,K)-12.5bladesinstalledontheKingAirB100aircraftwithHC-B4TN-5(C,F)propellers.

(3) ThisServiceBulletinprovidesthepartnumbersandinstructionsforinstallationoftheT10173AN(B,K)-12.5bladesinaccordancewithHartzellPropellerSTCSA02539CH-D.

(4) Revision1tothisServiceBulletinidentifiesthepossibilityoftheoccurrenceofbladeflutterforbladesnearmanufacturingspecificationsandrequiresreplacementofaffectedblades.





Examples of Cracked Blades Caused by this ConditionFigure 1

Cracks are locatedbetween

the markings ontheblades

shown.

Close-up View

Penetrant Inspection

View

TI-SB304Example





E. Compliance

WARNING: CONTINUEDOPERATIONINAFLUTTERCONDITIONMAYLEADTOCATASTROPHICFAILUREOFTHEPROPELLERWHICHCANCAUSESERIOUSINJURY,DEATHAND/ORSIGNIFICANTPROPERTYDAMAGE.

(1) Ifthereisevidenceofbladeflutter,avoidoperations(reversing)thatarelikelytoproduceflutterandreplacebladesatfirstopportunityinaccordancewiththisServiceBulletinandHartzellPropellerSTCSA02539CH-D.

(a) ReplacementofanyT10173F(N)(B,K)-12.5bladewithanimprovedT10173AN(B,K)-12.5blade,requiresreplacementofallbladesonbothpropellersinaccordancewithHartzellPropellerSTCSA02539CH-D.

(b) ReplacementmustbeaccomplishedinaccordancewithHartzellSteelHubTurbinePropellerMaintenanceManual118F(61-10-18).

(c) ReplacingthebladeswiththeimprovedbladesT10173AN(B,K)-12.5requiresinstallationofaplacardnearthepropellertachometersinaccordancewithHartzellPropellerSTCSA02539CH-D.

(2) Replaceallaffectedblades,eventhosewithoutevidenceofbladeflutter,withtheimprovedT10173AN(B,K)-12.5bladesatnextoverhaulinaccordancewithHartzellServiceLetterHC-SL-61-61Y,oratnextmajordisassembly,andnolaterthan3000flighthoursor60calendarmonthsfromAugust1,2012,whicheveroccursfirst.

NOTE1:NextoverhaulisdefinedinaccordancewithHartzellServiceLetterHC-SL-61-61Y.

NOTE2: Steelhubpropellermajordisassemblyisdefinedasanyrepairthatrequiresthebladeclamphalvestobeseparated.





WARNING: BLADESREMOVEDFROMSERVICEINCOMPLIANCEWITHTHISSERVICEBULLETINMAYNOTBERETURNEDTOSERVICEONANYAIRCRAFT.

(3) AnyaffectedbladeremovedfromthepropellermustberetiredfromserviceinaccordancewiththePartRetirementProcedureschapterofHartzellStandardPracticesManual202A(61-01-02).

NOTE: Thereare3rdpartySTCmodifierswithapprovedinstallationsoftheaffectedpropellermodel(s),withtheimprovedblades,thatmaybeapplicabletoyouraircraft.ContactHartzellProductSupportat(001)[email protected].

(4) Stock/inventoryoftheaffectedbladesmustbereplacedbeforeinstallationandnolaterthanSeptember30,2013.

(5) InstallationoftheimprovedT10173AN(B,K)-12.5bladesisterminatingactionfor this Service Bulletin.

F. Approval

(1) FAAapprovalhasbeenobtainedontechnicaldatainthispublicationthataffectstypedesign.

G.Manpower

(1) Additionalmanhoursarenotrequiredwhenaccomplishedwithanyrequiredbladereplacement.

(2) Additionalmanhoursarenotrequiredwhenaccomplishedatoverhaulorotherrequiredmajordisassembly.

(3) Additionalmanhoursrequiredwhenperformedoutsidenormalinspectionswithdisassembly:

PropellerDisassemblyandRe-seal 6.0manhoursperpropeller

H. WeightandBalance

(1) WiththeinstallationoftheT10173AN(B,K)-12.5blades,thereisaweightincreaseof4.0pounds(1.81kg)perpropeller.RefertoHartzellPropellerSTCSA02539CH-Dforadditionaldata.

I. ElectricalLoadData

(1) Notchanged





CAUTION: DONOTUSEOBSOLETEOROUTDATEDINFORMATION.PERFORMALLINSPECTIONSORWORKINACCORDANCEWITHTHEMOSTRECENTREVISIONOFALLDOCUMENTS.

J. References

(1) HartzellSteelHubTurbinePropellerMaintenanceManual118F(61-10-18)

(2) HartzellPropellerOwner'sManual139(61-00-39)

(3) HartzellStandardPracticesManual202A(61-01-02)

(4) FAAAirworthinessDirective72-08-04

(5) FAAAirworthinessDirective96-18-14

(6) HartzellServiceBulletinHC-SB-61-97A

(7) HartzellServiceBulletinHC-SB-61-261

(8) HartzellPropellerSupplementalTypeCertificateSA02539CH-D

K. OtherPublicationsAffected

(1) HartzellAluminumBladeOverhaulManual133C(61-13-33)

(2) HartzellApplicationGuideManual159(61-02-59)

2. MaterialInformation

A. MaterialNecessaryforEachPropeller/Component

PartNumber(ImprovedBlade) Replaces(CurrentBlade)T10173AN-12.5 T10173F(N)-12.5T10173ANB-12.5 T10173F(N)B-12.5T10173ANK-12.5 T10173F(N)K-12.5

B.AdditionalpartsandconsumablesmayberequiredinaccordancewithHartzellSteelHubTurbinePropellerMaintenanceManual118F(61-10-18).

3. AccomplishmentInstructions

A. Orderreplacementbladesforallaffectedbladesassoonasanoverhaulisscheduledinordertoallowformanufacturingleadtime.RefertotheAppendixinthisServiceBulletinforadditionaldetails.

B. Disassembly,inspection,andassemblyofthepropellerandcomponentsmustbeperformedbyapropellerservicefacilitylicensedbyagovernmentalregulatoryagency, e.g., FAA, EASA, CAA.





BladeSerialNumber-Markedout

DamagetoBladeRetentionOD

DamagetoBladeBoreID

Blade Butt Showing Damage to Prevent Further Use of the BladeFigure 2

TI-RetiredTBlade

Note: Thebladeshownisnotanaffectedblade.Thisbladeisshownasanexampleonlyofthedamgethatshouldbemadetoretiretheblade.





C. RemovethepropellerinaccordancewithHartzellPropellerOwner'sManual139(61-00-39).

D. DisassemblethepropellerinaccordancewithHartzellSteelHubTurbinePropellerMaintenanceManual118F(61-10-18).

(1) Removeaffectedblades.

CAUTION: AFFECTEDBLADESMUSTBERETIREDFROMSERVICEANDCANNOTBEINSTALLEDFORUSEINANYAPPLICATION,INCLUDINGEXPERIMENTALAPPLICATIONS.

(a) Retiretheaffectedblade(s)fromserviceinaccordancewiththePartRetirementProcedureschapterinHartzellStandardPracticesManual202A(61-01-02),except:

NOTE: ThePartsRetirementFormisavailableatwww.hartzellprop.com.

1 Theretiredbladescannotbemodifiedorreturnedtoserviceforuseinanyapplication,includingexperimentalapplications.

2 Eachblademustbedamagedinsuchawaythatpreventsfurtheruseoftheblade.

1 Usingatool,damagetheIDofthebladeboreandtheODofthebladeretentionsurface.Damagemustbesufficienttopreventinstallationofthebladebearingandthebladeclamp.RefertoFigure2.

2 Markoutthebladeserialnumber,sothatthenumberisstilllegible.

3 Takeaphotographofthebladebutttoshowthedamage,theblademodelnumber,andthebladeserialnumber.RefertoFigure2.

4 Sendthephotoviaemailtotechsupport@hartzellprop.cominaccordancewiththeAppendixtothisServiceBulletin.DONOTRETURNTHEBLADE.

E. Assembly

(1) Usingimprovedblades,T10173AN(B,K)-12.5,assemblethepropellerinaccordancewithHartzellSteelHubTurbinePropellerMaintenance Manual118F(61-10-18)andInstructionsForInstallationfromSTCSA02539CH-D.

(a) ContactHartzellProductSupporttorequestafree-of-chargecopyofHartzellPropellerSTCSA02539CH-Dandallrelateddocuments(InstructionsForInstallation,FlightManualSupplement,andInstructionsForContinuingAirworthiness).





F. IfacompletedCompliance/OrderFormfromtheAppendixinthisServiceBulletinwasnotalreadysentinsection3.A.,completeandsendtheCompliance/OrderFormtoHartzellProductSupport.

(1) TheformmustbesentevenifbladesarenotorderedfromHartzellPropeller.

(2) Propellers/bladesarenotincompliancewiththisServiceBulletinifacompletedCompliance/OrderFormisnotreceivedbyHartzellProductSupport.

G.Makealogbookentryindicatingcompliancewiththebladereplacementinstruction as terminating action for this Service Bulletin.

H. RecommendedServiceFacilities

(1) HartzellPropellerhasaworldwidenetworkofRecommendedServiceFacilitiesthatarerecommendedbyHartzellPropellerforoverhaulandrepairofourproducts.

(2) EachservicefacilitymustmeetstandardFAArequirementsandadditionalHartzellPropellerrequirementsbeforebeingrecommendedbyHartzellPropeller.EachservicefacilityisauditedbyHartzellPropellertoverifythecontinuationofthestandards.

(3) HartzellPropellerrecommendsthatyouuseoneoftheseservicefacilitieswhenhavingyourpropelleroverhauledorrepaired.

(4) ForacurrentlistofHartzellPropellerRecommendedServiceFacilities,contactHartzellProductSupportorrefertotheHartzellPropellerwebsiteat www.hartzellprop.com.

I. ContactInformation

HartzellPropellerInc.Attn.:HartzellProductSupportOnePropellerPlacePiqua,Ohio45356-2634USAPhone:(001)937.778.4379Fax:(001)937.778.4391E-mail:[email protected]







SERVICE BULLETIN APPENDIXHC-SBA-61-304


Aug01/12 HC-SBA-61-304 Page 1 of 6

1. Eligibility

A. HawkerBeechcraftKingAirB100aircraftwithHartzellsteelhubpropellerHC-B4TN-5(C,F)/T10173F(N)(B,K)-12.5areeligibleforthiswarrantyprogram.

(1) AssembledpropellersthatarenotwithintheoverhaullimitationsspecifiedinaccordancewithHartzellServiceLetterHC-SL-61-61Yarenoteligibleforthiswarrantyprogram.

(2) ThiswarrantyprogramwillexpireonSeptember30,2017.

B. Stock/inventoryofT10173F(N)(B,K)-12.5bladesthatareinnewconditionwith0.0hourstimesincenewareeligibleforthiswarrantyprogram.

(1) ThiswarrantyprogramwillexpireonSeptember30,2013.

2. RecommendedServiceFacilities

A. HartzellPropellerhasaworldwidenetworkofRecommendedServiceFacilitiesthatarerecommendedbyHartzellPropellerforoverhaulandrepairofourproducts.

B.EachservicefacilitymustmeetstandardFAArequirementsandadditionalHartzellPropellerrequirementsbeforebeingrecommendedbyHartzellPropeller.EachservicefacilityisauditedbyHartzellPropellertoverifythecontinuationofthestandards.

C.HartzellPropellerrecommendsthatyouuseoneoftheseservicefacilitieswhenhavingyourpropelleroverhauledorrepaired.

D.ForacurrentlistofHartzellPropellerRecommendedServiceFacilities,contactHartzellProductSupportorrefertotheHartzellPropellerwebsiteat www.hartzellprop.com.

3. Special Pricing ProgramA. ReplacementbladesmustbeprocuredfromHartzellPropellerinaccordancewith

thisAppendixinordertoqualifyfortheSpecialPricingProgramreplacementofeligibleblades.Allowformanufacturingleadtime.(1) Onlynon-bootedblades,T10173AN-12.5,willbeprovidedunderthisSpecial

PricingProgramasreplacementforeligibleblades.

(2) Onlyreplacementbladeswillbeprovided.HartzellPropellerwillnotreimbursethecostofreplacementbladespurchased/orderedthroughmeansoutsideofthisService Bulletin.

DocumentNo.HC-SB-61-304 DateofIssue:Jul18/08 Revision:1 Rev.Date:Aug01/12





B. ForaffectedassembledpropellersthatarewithintheoverhaullimitationsspecifiedinaccordancewithHartzellServiceLetterHC-SL-61-61Y:

(1) ThisspecialpricingprogramexpiresatthenextrecommendedoverhaulintervalinaccordancewithHartzellServiceLetterHC-SL-61-61YorSeptember30,2017, whicheveroccursfirst.

(2) HartzellPropellerwillallowpurchaseofreplacementblade(s),T10173AN-12.5,atadiscountoffoflistpricebasedonbladetimesincenew(TSN)/timeinservice(inaccordancewithHartzellServiceLetterHC-SL-61-61Y)asfollows:

NOTE: Replacementbladeswillonlybeshippedtoacertifiedpropellerrepairfacility.ReplacementbladeswillNOTbeshippeddirectlytoendusers.

TimeInService DiscountoffofListPriceBefore 1st overhaul 75%At1stoverhauluptobutnotincluding2ndoverhaul 50%At2ndoverhauluptobutnotincluding3rdoverhaul 25%At3rdoverhaulorlater NoDiscount

(3) ThefollowingdocumentationmustbeprovidedtoHartzellProductSupportinordertoqualifyforthiswarrantyprogram:(a) AcompletedandsignedServiceBulletinCompliance/OrderForm.(b) Thepropellerservicefacilitycompletingthebladereplacementmustretire

theaffectedblade(s)fromserviceinaccordancewithServiceBulletin HC-SB-61-304.

(c) Ifthepropellerhasbeenpreviouslyoverhauled,provideacopyofthemaintenancereleasetag,FAAForm8130-3orJAAForm1,indicatingcurrent/latestpropelleroverhaul,and/oracopyofapplicablelogbookpagesthatmustincludeoverhauldate,TSNatoverhaul,andcurrentTSO.

(d) IfanoverhaulisnotyetdueinaccordancewithHartzellServiceLetter HC-SL-61-61Y,provideacopyofapplicablelogbookpagesthatmustincludepropellerinstallationdate,andcurrentTSN.

(e) Iftimeinserviceofthebladesdoesnotmatchtimeinserviceofthepropeller,providelogbookpagesverifyinginstallationdateandTSNoftheblades.






(4) ThephotoofeachretiredblademustbereceivedbyHartzellPropellerProductSupportinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.RefertoFigure2inthisServiceBulletin.(a) The required photo(s) must be received by Hartzell Propeller

Product Support within six (6) calendar months from receipt of the replacement blades at the service facility.

(b) Failure to provide the required blade photo(s) in accordance with this Service Bulletin and Appendix will result in a charge to the propeller service facility for the full list price of the replacement blades.

C. Forstock/inventoryT10173F(N)(B,K)-12.5bladesthatareinnewconditionwith0.0hourstimesincenew:

(1) ThisspecialpricingprogramexpiresSeptember30,2013.(2) HartzellPropellerwillprovidefreeofchargeareplacementbladeofthe

improvedmodelforeachaffectedblade.(3) AcompletedandsignedServiceBulletinCompliance/OrderFormmustbe

providedtoHartzellProductSupportinordertoqualifyforthiswarrantyprogram.(4) ThephotoofeachretiredblademustbereceivedbyHartzellPropellerProduct

SupportinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.RefertoFigure2inthisServiceBulletin.(a) The required photo(s) must be received by Hartzell Propeller


(b) Failure to provide the required blade photo(s) in accordance with this Service Bulletin and Appendix will result in a charge to the propeller service facility for the full list price of the replacement blades.






D. ReplacementBladeOrderAdministration(1) Replacementbladeorderswillbeadministeredasfollows:

(a) UponreceiptofthecompletedServiceBulletinCompliance/OrderFormandrequireddocumentation,HartzellProductSupportwillenteranorderforthereplacementblade(s).

1 Replacementbladeswillbeshippedassoonasavailable.Allowformanufacturingleadtime.

2 Thisinformationisapplicableonlytothoseaffectedbladeswhichmeetthetermsandconditionsdetailedinsection3.B.or3.CofthisAppendix.

(b) Thephotoofeachretiredblademustbesentto/receivedatHartzellPropellerProductSupportinaccordancewiththeAccomplishmentInstructionsinthisServiceBulletin.RefertoFigure2inthisServiceBulletin.1 The required photo(s) must be received by Hartzell Propeller


2 Failure to provide the required blade photo(s) in accordance with this Service Bulletin and Appendix will result in a charge to the propeller service facility for the full list price of the replacement blades.

E. ContactInformationandShippingAddressforretiredbladepieces.

HartzellPropellerInc. Attn:HartzellProductSupport-SB304 OnePropellerPlace Piqua,Ohio45356-2634USA Phone:(001)937.778.4379 Fax:(001)937.778.4391 E-mail:[email protected]





Propeller - Introduction of an Improved Blade Compliance/Order Form

Replacement blades are offered at a discount for eligible propellers only. Required documentation must accompany this Compliance/Order Form to verify eligibility. Failure to provide the required blade photo(s) in accordance with this Appendix will result in a charge for the full list price of the replacement blade(s). A PO number must be provided with this order, for use only in the event the blade photo(s) are not received as required.

Owner Information: (ReplacementbladeswillONLYbeshippedtoaServiceFacility.)Name: Phone: Address: Fax: E-Mail: City: Zip/PostalCode: State: Country:

Service Facility/Shipping Location: (ReplacementbladeswillONLYbeshippedtoaServiceFacility.)Company: Phone: ContactName: Fax: Address: E-Mail:

City: Zip/PostalCode: State: Country: PO#isrequired: I understand that affected blades must be permanently retired from service and a photo sent to Hartzell Propeller in accordance with this Appendix. My signature indicates my understanding of these requirements and agreement to follow these requirements.

Signature: TSN=timesincenewTSO=timesinceoverhaul

Ifpropeller/bladetimesarenotequal,additionaldocumentationmustbeprovided.Ifbladesarefromopenstock/inventory,propellerinformationmaybeleftblank:PropellerModel: PropellerS/N: Propeller/BladeTSN: Propeller/BladeTSO: DateofLastPropeller/BladeOverhaul: Ifnotoverhauled,provideDateofPropeller/BladeInstallation: Listeachaffected/retiredbladebyserialnumberandmodel:BladeS/N BladeModel

SendthisCompliance/OrderFormto:(Propellers/bladesarenotincomplianceifthiscompletedformisnotreceived.) HartzellProductSupport Fax:(001)937.778.4391 E-Mail:[email protected]:Thisformisavailableelectronicallyonourwebsiteatwww.hartzellprop.comHartzell use only - do not write below this line

Warranty#: AuthorizedBy:







Documents

HARTZELL PROPELLER INC. SERVICE BULLETINhartzellprop.com/wp-content/uploads/2012/12/SB304-R01-W.pdf · - Identifies the possibility of the occurrence of blade flutter with blades