Version 3.1 (3118113) [4910-13-P] 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA-2013-0195; Directorate Identifier 2013-NE-08-AD] 

RIN 2120-AA64 

Airworthiness Directives; General Electric Company Turbofan Engines 

AGENCY: Federal Aviation Administration (FAA), DOT. 

CONCURRENCES 

ROUT ING SYMBOL 

ANE- 110 

ROUTING SYMBOL 

ANE-141 

ACTION: Notice of proposed rulemaking (NPRM). ex~ 

SUMMARY: We propose to adopt a new airworthiness directive (AD) for all Ge ~·~ l W:il'~--"" 

Electric Company (GE) model GEnx-2B67 and GEnx-2B67B turbofan engines with 

booster anti-ice (BAI) air duct, part number (PIN) 2469M32G01 , and support bracket, INITIALS/ SURNA/\ IE 

VBennett/DA 

P/N 2469M46GO 1, installed. This proposed AD was prompted by reports of cracks in the b=,..----

DATE 

3/26/13 

BAI air duct. This proposed AD would require initial and repetitive visual inspections of "==.,.,..,=--

RouT ING SYM BOL 

the BAI air duct, removal from service ofthe BAI air duct if it fai ls inspection and, as a 

mandatory terminating action, the installation of new BAI air duct support brackets. We 

are proposing this AD to prevent failure of the BAI air duct, resulting in an in-flight 

shutdown of one or more engines, loss of thrust control, and damage to the aircraft. 

DATES: We must receive comments on this proposed AD by [INSERT DATE 60 

DAYS AFTER DATE OF PUBLICATION IN THE Federal Register]. 

ADDRESSES: You may send comments, using the procedures found in 14 CFR 11.43 

and 11.45, by any of the following methods: 

• Federal eRulemaking Portal: Go to http://www.regulations.gov. Follow the 

instructions for submitting comments. 

• Fax: 202-493-2251. 

ANE-111 

INITIALS/ SURNAME 

AMollica/DA 

DATE 

3/4/ 13 

ROUT ING SYMBOL 

AEG 

INITIALS/ SURNAME 

POLeary for 

DLevesque/DA 

DATE 

3/ 1113 

ROUTING SYMBOL 

ANE- 110 

SN.Pft1 
Re: SUPERSEDES PRIOR ACTION EMAIL-- ACTION BY 3/21/2013: 

13-NE-08, General Electric Company Turbofan Engines, NPRM -- Version 3.1 

La 

Drex, 

Legal concurs. 

Regards, 

Vince 

Drexel Ace 

From: 

To: 

Vincent Bennett t D 1 A 

ANE-007, Office of Regional Counsel 0 · rexe ce 

Cc: James E Gray, Jason Yang, John Golinski, Jonathan Galvin 

Hi Vince, I understand you have been reviewing ... 

Drexel Ace/ANE/FM 

ANE-11 0, Standards Staff 

Vincent Bennett/ANE/FM@FM, 

03/26/2013 04:07 PM 

03/21/2013 02:10:1 6 PM 

Cc: Jason Yang/ANE/FM@FM, James E Gray/ANE/FM@FM, John Golinski/ANE/FM@FM, 

Jonathan Galvin/ANE/FM@FM 

Date: 

Subject: 

Hi Vince, 

03/21/2013 02:10PM 

SUPERSEDES PRIOR ACTION EMAIL-- ACTION BY 3/21/2013: 13-NE-08, General Electric 

Company Turbofan Engines, NPRM --Version 3.1 

I understand you have been reviewing 13-NE-11 , a sister to this AD. 

Based on your conversations with James Gray and Jason Yang on that AD, 

we are revising the unsafe condition statement in this AD. 

Please act on this version and disregard prior action email. 

Prior email trail is below. 

Updated unsafe condition language is highlighted in this attached updated Version 3.1 of 13-NE-08. 

There are no other changes from the prior version I sent you and to which you have not yet replied. 

Thanks. 

--Drexel 

13ne08n.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 

To send us your feedback, click here! 
Re: Fw: ACTION BY 3/5/2013: 13-NE-08, General Electric Company 

Turbofan Engines, NPRM -- Version 2.3 ~ 

Peter O'Leary 

AEA-BOS-AEG-67, Burlington, MA to: Bob Barnes 

Cc: David Dubuc, Donald Levesque, Drexel Ace 

AEG concurs with Version 2.3 for NPRM 2013-NE-8-AD. 

Peter C. O'Leary 

Aviation Safety Inspector 

Propulsion Specialist 

12 New England Executive Park 

Burlington, MA 01830 

781-238-7890 

781-238-7898 fax 

781-439-5974 cell 

" Common sense is genius dressed in working clothes" 

Ralph Waldo Emerson 

We value your comments, please fill out the form below: 

03/01/2013 03:20PM 

http://www.faa.gov/about/office _ org/headquarters _ offices/avs/stakeholder _ feedback/afs/field/sf _ 

aeg/ 

Bob Barnes 

From: 

To: 

Cc: 

Date: 

Subject: 

Peter, 

Peter, Could you please review and respond for ... 

Bob Barnes/ANE/FAA 

AEA-BOS-AEG-67, Burlington, MA 

Peter O'Leary/ANE/FAA@FAA, 

03/01/2013 12:48:41 PM 

Donald Levesque/ANE/FAA@FAA, David Dubuc/ANE/FAA@FAA, Drexel Ace/ANE/FAA@FAA 

03/01/2013 12:48 PM 

Fw: ACTION BY 3/5/2013: 13-NE-08, General Electric Company Turbofan Engines, NPRM --

Version 2.3 

Could you please review and respond for the AEG, thanks. 

Bob Barnes 

Manager, Boston AEG EA-67 

Federal Aviation Administration 
Re: Fw: ACTION BY 3/5/2013: 13-NE-08, General Electric Company 

Turbofan Engines, NPRM -- Version 2.3 l£:l 

I concur. 

Ann C. Mollica 

Ann Mollica to: Drexel Ace ANE-111 , Rulemaking and Policy 

Cr: Jason Yang 

FAA, Engine and Propeller Directorate 

Standards Staff, Rulemaking and Policy Branch 

781.238.7192 

We value your feedback. Click here to send feedback. 

Drexel Ace 

From: 

To: 

Date: 

Here you go, Ann . Drexel Ace 

Drexel Ace/ANE/FAA 

ANE-11 0, Standards Staff 

Ann Mollica/ANE/FAA@FAA, 

03/04/2013 01 :51 PM 

03/04/2013 01 :53 PM 

03/04/2013 01 :51:44 PM 

Subject: Fw: ACTION BY 3/5/2013: 13-NE-08, General Electric Company Turbofan Engines, NPRM --

Version 2.3 

Here you go, Ann. 

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 

To send us your feedback, click here! 

----- Forwarded by Drexel Ace/ANE/FAA on 03/04/201 3 01 :50PM-----

From: 

To: 

Cc: 

Date: 

Subject: 

Drexel Ace/ANE/FAA 

ANE-11 0, Standards Staff 

Jason Yang/ANE/FAA@FAA, Bob Barnes/ANE/FAA@FAA, Ann Mollica/ANE/FAA@FAA, 

John Golinski/ANE/FAA@FAA, Paul Donato/ANE/FAA@FAA, James E Gray/ANE/FAA@FAA, 

Donald Levesque/ANE/FAA@FAA, David Dubuc/ANE/FAA@FAA 

03/01/2013 12:45 PM 

ACTION BY 3/5/2013: 13-NE-08, General Electric Company Turbofan Engines, NPRM --Version 

2.3 

Please see Version 2.3, which is attached for your review I concurrence. 

Thanks to Don Levesque and Dave Dubuc for your comments on Version 2.2 -- latest changes simplify 

Mandatory Terminating Action. 

Thanks. 

--Drexel