### Versio n 3 .0 (1 /2/13) [4910-13-P] 

## -----==.,.,.....-**·~ NcuRRENcEs**  r. t ! 'T"n.t,..<'"u••r-.r 

### DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2012-0940; Directorate Identifier 2012-NE-26-AD; Amendment 39-XXXXX; AD 2013-:XX-:XX] 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 Turbomeca S.A. Arriel2D turboshaft engines. This AD was prompted by a low fuel pressure event caused**L.J ~**  ... :J. - 

### by deterioration and a loss of the low-pressure drive function within the hydromechanical metering unit (HMU). This AD requires repl acing the HMU at a reduced life. L _r '- 

### We are issuing this AD to prevent an uncommanded in-flight shutdown of the engine , and possible loss of the helicopter. DATES: This AD becomes effective [Insert date 35 days after date ofpublication in the FEDERAL REGISTER]. ADDRESSES: The Docket Operations office is located at Docket Management Facility , 

## FAt E

{ U.S. Department of Transportation, 1200 New Jersey Avenue SE . , West Building Ground 

# I

# -···**~~**..

# ?:> Floor, Room W12-140, Washington, DC 20590-0001. I N ITI ALS/SIG 

### FOR FURTHER INFORMATION CONTACT: Frederick Zink, Aerospace Engineer,

# ;Ct(Jww..Jw ljlt\ 13, Engine Certification Office , FAA , Engine & 

### Propeller Directorate, 12 New England

# I! Re: ACTION BY: 1/4/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN- Version 2.0 

### [J Joseph R White . AEA-BOS-A EG- 67, B u rlington , MA to : Bnan Warner 12/27/2012 12:42 PM C
. Alan Rowe , Frederick Zink , James E Gray, John Golinski, Paul

c . Donato , Tara Fitzgerald Hi Brian , I concur with Version 2.0. Joe White Boston AEG EA-67 Federal Aviation Administration Tel (781) 238-7897 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/ Brian Warner All : Please review and provide comment/ concu .. . From : Brian Warner/ANE/FAA ANE-11 0, Standards Staff 12/27/2012 11:40:35 

### AM
To: Cc : Frederick Zink/ANE/FAA@FAA , Tara Fitzgerald/ANE/FAA@FAA, Joseph R White/ANE/FAA@FAA John Golinski/ANE/FAA, James E Gray/ANE/FAA@FAA, Paul Donato/ANE/FAA@FAA , Alan Rowe/ANE/FAA Date: Subj ect: All: 12/27/2012 11 :40 AM ACTION BY: 1/4/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN -Version 2 . 0
Please review and provide comment 

### I concurrence . [attachment "12ne26f
.doc" deleted by Joseph R White/ANE/FAA] Thanks . . . Brian 

### Brian M . Warner Federal Aviation Administration Engine and Propeller Directorate Standards Staff , ANE-110 Technical Writer 

### I Editor 12 New England Executive Park Burlington, MA 01803 781-238-7169 brian .warner@faa
. gov



## *'

### Re: ACTION BY: 1/4/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN -Version 2.0 

### [J Tara Fitzgerald . AN E 11 1 R I k. d P 1 . to: Bnan Warner 12/27/2012 01 :39 PM

- , u ema 1n g an o 1 cy
Brian , C
. Alan Rowe , Frederick Z i nk, James E Gray , John Golinski , Joseph R c. White , Paul Donato


### 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 Brian Warner All : Please review and provide commen t 

### I co ncu . .. From: To: Brian Warner/ANE/FAA ANE-11 0 , Standards Staff Frederick Zink!ANE/FAA@FAA , Tara Fitzgerald/ANE/FAA@FAA , Joseph R Wh ite/ANE/FAA@FAA , 12127120 1 2 11:40 :34 AM

Cc: John Gol i nski/ANE/FAA, James E Gray/ANE/FAA@FAA , Paul Donato/ANE/FAA@FAA, Alan Rowe/AN E/FAA Da te : Subj ect: All : 12/27/2012 11 :40 AM ACTION BY : 1/4/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN -Version 2 .0

Please review and provide comment 

### I concurrence . [attachment "12ne26f
. doc" deleted by Tara FitzgeraldiANE/FAA] Thanks . . . Brian 

### Brian M . Warner Federal Aviation Administration Engine and Propeller Directorate Standards Staff , ANE-110 Technical Writer 

### I Editor 12 New England Executive Park Burlington , MA 01803 781 -238-7169 brian .warne r @faa
. gov Click here to send us your feedback:

### Re: ACTION BY: 1/9/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN- Version 3.0 

### [il V i ncent Bennett . ANE-007 , Office of Regional Co unsel to : Bnan Warner 01/09/2013 04:49PM
Legal concurs . R, 

# v Cc: Alan Rowe, Frederick Zink , James E Gray, John Golinski, Paul Donato

Brian Warner Vi nce, Pl e ase rev iew and provide c ommen t I co ... From: To : Brian Warner/ANE/FAA ANE-11 0, Standards Staff Vincent Bennett/ANE/FAA@FAA, 01 /0 2/2 0 1 3 12:54:21 PM

Cc : Paul Donato/ANE/FAA@FAA, John Gol i nski/ANE/FAA , Alan Rowe/ANE/FAA , Frederick Zink/ANE/FAA@FAA , James E Gray/ANE/FAA@FAA Da te : Subj ect: Vince, 01/02/201312:54 PM ACTION BY: 1/9/13- 2012-NE-26-AD- Turbomeca S.A. Arriei2D Turboshaft Engines HMU Replacement. FRAN -Version 3 .0

Please review and provide comment 

### I concurrence .

12ne26f
.doc Thanks .. . Brian 

### Brian M . Warner Federal Aviation Administration Engine and Propeller Directorate Standards Staff , ANE-110 Technical Writer 

### I Editor 12 New England Executive Park Burlington, MA 01803 781-238-7169 brian . warner@faa
.gov Click here to send us your feedback: http://www
.faa
. gov/about/office erg/headquarters offices/avs/stakeholder feedback/air/f ield/