•-h•·cBusiness&GeneralAv10t1onTurbopropsALERTSERVICEBULLETINGEPROPRIETARYINFORMATIONNo.M601D-1/31M601Z/29M601E-11/30M601T/24Theinformationcontained1nthisdocumentisGEproprietaryinformationandisdisclosed1nconf1dence.It1sthepropertyofGEandshallnotbeused,disclosedtoothers,orreproducedwithouttheexpresswnttenconsentofGE,including,butwithoutlimitation,1tisnottobeusedinthecreation,manufacture,development.orderivationofanyrepa1rs.mod1f1cations,spareparts.designs,orconfigurationchangesortoobtainregulatoryapprovaltodoso.Ifconsentisgivenforreproductioninwholeorinpart,thisnoticeandthenot1cesetforthoneachpageofthisdocumentshallappearinanysuchreproductioninwholeorinpart.Subject:CancelationoffurtheruseofM601non-shotpeenedGasGeneratorTurbineblades.1.PLANNINGINFORMATION1.1.EffectivityAllM601enginesoperatedonsingleenginedaircraft,overhauledpriorto2012.M601EngineSerialNumberslistedinTable1.1.2.ComplianceReplacementbyauthorizedGEACpersonsreplacementofnon-shotpeenedGasGeneratorturbine(GGT)bladeswithin300flighthoursor6monthswhicheverisshorter.1.3.ReasonThepurposeofthereplacementofthe'non-shotpeened'GGTbladesisthereducedfatiguelife.1.4.DescriptionThebulletinneedstobeperformedbyGEACCSPOtrainedpersonal.Replaceallnon-shotpeenedGGTbladesinaccordancewiththesupplementalinformation.1.5.ApprovalThetechnicalcontentofthisdocumentisapprovedundertheauthorityofDOANo.EASA.21J.300.1.6.Manpower4workingdaysI2authorizedpersonsbyGEACISSUEDREVISEDGEAviationCzechs.r.o.PAGENo.REVISIONMONTHDAYYEARMONTHDAYYEARBeranovych6519902Praha9-LetnanyCzechRepublic1of3012232014tel.:+420222 538111fax:+420222538 222GEPROPRIETARYINFORMATION:Subjecttotherestrictionsonthecoverpage1.7.ExpensesCoveredbyGEAC1.8.ReferencesALERTSERVICEBULLETINNo.M601D-1/31M601Z/29M601E-11/30M601T/24ONWINGHEAVYMAINTENANCEMANUALFORTURBOPROPENGINESGEH-seriesandGEM601-series,MANUALNo.01301011.9.SupplementalInformation1.9.1.ReplacementinstructionsPerformreplacementofnotshotpeenedGasGeneratorturbine(GGT)bladesaccordingtotheCHAPTER6,72.51.00REMOVALANDREASSEMBLYOFGENERATORTURBINEDISCofONWINGHEAVYMAINTENANCEMANUALFORTURBOPROPENGINESGEH-seriesandGEM601-series,MANUALNo.01301012.ACCOMPLISHMENTINSTRUCTIONS1)RecordthecompletionoftheServiceBulletinintheEngineLogBook,includingthedateandthenameofthepersonwhoperformedthework.2)SendtheinspectionreporttotheGEACDesignOrganizationinaccordancewiththeEngine'sReliabilityprogram.3)ThereplacedGTbladesmustbesentbacktoGEAviationCzech.3.MATERIALINFORMATION3.1.MaterialRequire:usematerialaccordingtotheCHAPTER6,72.51.00REMOVALANDREASSEMBLYOFGENERATORTURBINEDISCofONWINGHEAVYMAINTENANCEMANUALFORTURBOPROPENGINESGEH-seriesandGEM601-series,MANUALNo.0130101,Article5-LISTOFCOMSUMABLES,page3433.2.Tooling:usetooling&equipmentaccordingtotheCHAPTER6,72.51.00REMOVALANDREASSEMBLYOFGENERATORTURBINEDISCofONWINGHEAVYMAINTENANCEMANUALFORTURBOPROPENGINESGEH-seriesandGEM601-series,MANUALNo.0130101,Article4-TOOLSANDEQUIPMENT.page341ISSUEDREVISEDGEAviationCzechs.r.o.PAGENo.REVISIONMONTHDAYYEARMONTHDAYYEARBeronovych6519902Praha9-LetnanyCzechRepublic2of3012232014tel.:+420222538111fax:+420222538222ALERT SERVICE BULLETIN 4. APPENDICES Table

1

- List

of serial numbers

called

Eng

i nes M6010-1 I 873015

1 852079

1 MGOlE-11 I 862oo1

1 863008

1 894018

1 M601T I 941004

1 942004

1 954002

1 M601Z I 904002

1 911003

1 931002

1 894005

1 Approved

by

: **·····**

**··· ·········** 

**··** Steve

Huck Chief Consulting

Engineer Airworthiness

& Certification

and Flight Safety

& Reliab

i lity ISSUED

REVISED

GE Aviation

Czech

s

. r.o

. MONTH

DAY

YEAR

MONTH

DAY

YEAR Beranovych

65 199

02 Praha

9

- Letnony Czech Republic 12

23

2014

tel.: +420

222

538

111 fox: +420

222

538

222

PAGE

No

. 3 of

3

No

. M601D

- 1/31 M601Z/29 M601E-11/30 M601T/24 REVISION

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