### DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2011-1037; Directorate Identifier 2011-NE-30-AD; Amendment 

## 17373 o5-o r 

## 39-XJGee( ; AD**2013-~]** 

### RIN 2120-AA64 Airworthiness Directives; Turbomeca S.A. Turboshaft Engines AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final rule; request for comments. SUMMARY: We are superseding an existing airworthiness directive (AD) for all ofcertain serial number (SIN) N2 sensor harnesses . This AD requires replacement ofthe same SIN harnesses , and requires replacement ofadditional SIN N2 sensor harnesses. This AD was prompted by corrosion detected in affected N2 sensor harnesses. We are JN ITI ALS /SI G KGrant
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### issuing this AD to prevent inadvertent activation ofthe 65% N1 back up mode, resulting "" oA

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### in N2 speed fluctuation, significant power loss, and emergency landing ofthe helicopter. ouTING SYMBOL EG 

### DATES: This AD is effective [INSERT DATE 15 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER] . We must receive any comments on this AD by [INSERT DATE 45 DAYS AFTER DATE OF PUBLICATION IN THE FEDERAL REGISTER]. ADDRESSES: You may send comments by any ofthe following methods: • Federal eRulemaking Portal: Go to http: //www.regulations .gov . Follow the instructions for submitting comments. • Fax: 202-493-2251.

### Re: ACTION BY: 12/18/12- 2011-NE-30-AD- Turbomeca S.A. Turboshaft Engines N2 Sensor Harness Replacement -Version 2.0 

# Cl! Joseph R Wh ite . AEA-BOS-AEG-67 , Burlington, MA to Bnan Warner 12/14/2012 06:01AM C Alan Rowe, James E Gray , John Golinski , Paul Donato , Rose Len,

c. Tara Fitzgerald Good morning , Based on the conversation and email from Rose , I will concur with Version 

### 2 as proposed . Best regards, 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/aboutloffice_org/headquarters_offices/avs/stakeholder

_feedbacklafs/field/sf_aeg/ Brian Warner Rose , Please address Joe's questions below . 

### 1. .. From: To: Brian Warner /ANE/FAA ANE-11 0, Standards Staff Rose Len/ANE/FAA@FAA 12/13/2012 08:48:06 AM

Cc: Date : Alan Rowe/ANE/FAA , James E Gray/ANE/FAA@FAA , John Golinski/ANE/FAA , Paul Donato/ANE/FAA@FAA , Tara Fitzgerald/ANE/FAA@FAA , Joseph R White/ANE/FAA@FAA 12/13/2012 08:48AM Subject: Rose , Re: ACTION BY : 12/18/12- 2011-NE-30-AD- Turbomeca S.A. Turboshaft Engines N2 Sensor Harness Replacement - Version 2 .0

Please address Joe's questions below . I know we discussed , and you verified , that the S/Ns need to be listed as 'inclusive ', but I didn't want to misquote you in replying directly . Please call if you want to discuss Joe's 2nd question IRT the calendar requirement. Thanks... Brian 

### Brian M . Warner Federal Aviation Administration Engine and Propeller Directorate Standards Staff , ANE-11 0 Technical Writer I Editor 12 New England Executive Park

### Re: ACTION BY: 12/18/12 - 2011-NE-30-AD - Turbomeca S.A. Turboshaft Engines N2 Sensor Harness Replacement- Version 2.0 [) Tara Fitzgerald . ANE 111 R I k. d P 1 . to· Bnan Warner 12/14/2012 11 :36 AM



### - , u ema mg an o 1cy C . Alan Rowe, James E Gray , John Golinski, Joseph R White, Paul

c. Donato , Rose Len 

### I reviewed version 2 .0 and concur. 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 comment 

### I concu ... From: Brian Warner/ANE/FAA ANE-11 0, Standards Staff 12/13/20 12 06 :24:31 AM
To: Cc : Rose Len/ANE/FAA@FAA, Joseph R White/ANE/FAA@FAA, Tara Fitzgerald/ANE/FAA@FAA, James E Gray/ANE/FAA@FAA, Paul Donato/ANE/FAA@FAA, Alan Rowe/ANE/FAA, John Golinski/ANE/FAA Date: Subj ect: All : 12/13/2012 06 :24AM ACTION BY: 12/18/12- 2011-NE-30-AD- Turbomeca S.A. Turboshaft Engines N2 Sensor Harness Replacement- Version 2.0

Please review and provide comment 

### I concurrence . [attachment "11 ne30is.doc" deleted by Tara Fitzgerald/ANE/FAA] Thanks... Brian



### Brian M. Warner Federal Aviation Administration Engine and Propeller Directorate Standards Staff, ANE-11 0 Technical Writer I Editor 12 New England Executive Park Burlington , MA 01803 781-238-7169 brian .warner@faa.gov

# ~~**·.·. '** **~** Re: ACTION BY: 12/24/12- 2011-NE-30-AD- Turbomeca Makila 1A2 Turboshaft Engines N2 Sensor Harness Replacement. Final Rule Supersedure - Ver 3.4 

## QJ Vincent Bennett . ANE-007 , Office of Regiona l Counse l to. Bnan Warner 02/20/2013 12:38 PM Cc: Alan Rowe , James E Gray, John Golinski , Paul Donato Legal concurs . Thanks for the assist. Regards , VB Brian Warner Vince , This version is based on the meeting you . . . From: To: Brian Warner/ANE/FAA ANE-11 0 , Standards Staff Vincent Bennett/ANE/FAA@FAA , 

### 02/20/2013 09:37:54 AM

Cc: James E Gray/ANE/FAA@FAA, Paul Donato/ANE/FAA@FAA, John Golinski/ANE/FAA@FAA , Alan Rowe/ANE/FAA@FAA Date: Subject: Vince, 02/20/2013 09 :37 AM ACTION BY: 12/24/12- 2011-NE-30-AD- Turbomeca Makila 1A2 Turboshaft Engines N2 Sensor Harness Replacement. Final Rule Supersedure - Ver 3.4

This version is based on the meeting you had with Paul and James on Tuesday morning, James made one additional change to paragraph e .5. by reversing the order in which the c(1) and c(2) populations are presented . Changes are in yellow highlight. Please review and provide comment 

### I concurrence.

11 ne30is.doc Thanks.. . and thank you again for getting the team together for yesterday's discussion . 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 org/headquarters offices/avs/stakeholder feedback/air/field/