### Version 3.0 (1211112012) [4910-13-P] DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39**39-X~X;** 

### AD 200X-XX-XX] 

# l'13P1**~0/:J.-Q.?-b~** RIN 2120-AA64 Airworthiness Directives; Turbomeca S.A. Turboshaft Engines. AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule. SUMMARY: We are adopting a new airworthiness directive (AD) for all Turbomeca S.A. ArrieliAI , 1A2 , IB , IC, ICI , IC2 , ID , IDI , 1E2 , IKI , IS , and lSI turboshaft engines. This AD requires performing a high gas generator speed (NG) rating vibration check. This AD was prompted by several reports ofuncommanded in-flight shutdown on Arriel I engines. We are issuing this AD to prevent an uncommanded in-flight shutdown of the engine, which could result in an emergency landing. DATES: This AD becomes effective [Insert date 35 days after date of publication in the FEDERAL REGISTER]
. ONCU RRENCES ROUT I NG SYMBOL ANE-110

ATE 12/ 18/2012
ROUTING SYMBOL ANE-111
IN IT I ALS/ SU RNAME TF itzjerald/DA

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### U.S. Department of Transportation, I200 New Jersey Avenue SE ., West Building Ground ATE 

# /!.-zg-fZ,. Floor, Room WI2-I40 , Washington , DC 20590-0001. RO UT I NG SYMBOL ANE-100 

### FOR FURTHER INFORMATION CONTACT: Frederick Zink, Aerospace Engineer, Engine Certification Office, FAA, Engine & 

### Propeller Directorate, I2 New England 

## /d-Jif(r

### Re: ACTION BY 12/18/2012: 12-NE-19-AD, Turbomeca S.A., Gas Generator Rear Bearing, Final rule --Version 3.0 VincentBennett t D lA 12/18/20121104AM ANE-007 , Office of Reg iona l Cou nse l o: rexe ce : Legal concurs. Regards , 

# v Drexel Ace From : To : Cc: James E Gray , John Golinski, Paul Donato

Hi Vi nce , V ersi o n 3.0 is attached for your rev i ew... Drexel Ace/ANE /FAA ANE-11 0 , Standards Staff Vincent Bennett/ANE /FAA@FAA , 12/1 1 /20 1 2 01 : 56 :39 PM

Cc: Date: John Golinski/ANE/FAA@FAA, Paul Donato/ANE/FAA@FAA , James E Gray/ANE/FAA@FAA 12/ 11/2012 01 :56PM Subj ect:
Hi Vince , ACTION BY 12/ 18/2012 : 12-NE - 19-AD , Turbomeca S.A. , Gas Generator Rear Bea ring , Final rule-- Version 3.0

Version 3.0 is attached for your review I concurrence . This is a Final Rule After Notice-- NPRM published September 13 , 2012
. Thanks
. --Drexel

12ne19f
.doc
Drexel Ace Technical Writer-Editor Federal Aviation Administration Air Certification Service Engine 

### & Propeller Directorate Standards Staff, ANE-11 0 Burlington , MA Phone: 781-238-7197

### Re: ACTION BY 12/10/2012: 12-NE-19-AD, Turbomeca S.A., Gas Generator Rear Bearing, Final rule --Version 2.0 Tara Fitzgerald ANE 1 1 1 R I k. d P 1 . to. Drexel Ace 12/07/2012 08 :53AM

- . u ema mg an o 1cy Cc: Dale Johnson , Frederick Zink, John Golinski, Paul Donato Drexel, I concur with version 2
.0
. Tara Fitzgerald Federal Aviation Administration Engine 

### & Propeller Directorate Rulemaking and Policy , ANE-111 12 New England Executive Park Burlington, MA 01803 781-238-7130 Drexel Ace Fro m : Versio n 2.0 attached for your review I concurren ... Drexel Ace/ANE/FM ANE-11 0, Standards Staff 12104/2012 01:43:07 PM

To: Cc: Frederick Zink/ANE/FM@FM , Tara Fitzgerald/ANE/FM@FM , Dale Johnson/ANE/FM@FM , John Golinski/ANE/FM@FM, Paul Donato/ANE/FM@FM Date: S ubj ect: 12/04/2012 01:43 PM ACTION BY 12/10/2012 : 12- NE-19-AD , Turbomeca S.A., Gas Generator Rear Bearing , Final rule-- Version 2.0 Version 2.0 attached for your review 

### I concurrence . This is a Final Rule After Notice , based on MCAI I EASA AD
. Thanks. --Drexel [attachment "12ne19f.doc" deleted by Tara FitzgeraldiANEIFAA]
Drexel Ace Technical Writer-Editor Federal Aviation Administration Air Certification Service Engine & Propeller Directorate Standards Staff, ANE-11 0 Burlington , MA Phone : 781-238-7197

### ''



### Drexel, 

### Re: ACTION BY 12/10/2012: 12-NE-19-AD, Turbomeca S.A., Gas Generator Rear Bearing, Final rule --Version 2.0 bfj· Dale Johnson AEA- BOS -AEG -67 , Burlington , MA 

### to: Drexel Ace 12/04/2012 02 :08PM Cc: Frederick Zink, John Golinski , Paul Donato, Tara Fitzgerald



### AEG concurs with version 2
.0 of this AD Regards, Dale Dale Johnson Boston AEG 781-238-7894 We value your comments, please fill out the form below : http ://www.faa
.gov/about/office_org/headquarters_offices/avs/stakeholder_feedbacklafs/field/sf_aeg