### DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2012-1217; Directorate Identifier 2012-NE-39-AD] RIN 2120-AA64 Airworthiness Directives; International Aero Engines AG Turbofan Engines AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Notice ofproposed rulemaking (NPRM). 

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SUMMARY: We propose to adopt a new airworthiness directive (AD) for certain o 

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## t;z glI<-- International Aero Engines AG (IAE) , V2525-D5 and V2528-D5 turbofan engines, with ROUTI NGsvMsoL NE-7 

### a certain number (No.) 4 bearing internal scavenge tube and a certain No.4 bearing external scavenge tube installed. This proposed AD was prompted by a report ofan engine under-cowl fire and commanded in-flight shutdown. This proposed AD would require replacement ofcertain part number (PIN) No.4 bearing internal scavenge tubes, b 1N""'I

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### and alignment checks ofcertain PIN No.4 bearing external scavenge tubes. We are proposing this AD to prevent engine fire and damage to the airplane. 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 ofthe following methods: • Federal eRulemaking Portal: Go to http: //www.regulations.gov. Follow the instructions for submitting comments. • Fax: 202-493-2251. • Mail: U.S . Department ofTransportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue SE. , Washington, D 20590. .,..,.,.,,.;.,.."""""'.,......-

### Re: ACTION BY: 12/05112- 2012-NE-39-AD -IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Failure. NPRM - Ver 2.4 

## [J Alan Strom . to: Bnan Warner 12/07/2012 08 :01AM Cc: Alan Rowe , James E Gray , John Golinski , Martin Adler, Paul Donato , Roger H Love Brian , 

### I concur with v2.4 . Alan Alan B. Strom Aerospace Engineer Aircraft Certification Service Engine & Propeller Directorate Standards Staff ANE-110 12 New England Executive Park Burlington , MA 01803 T (781) 238-7143 F (781) 238-7199 Brian Warner All, A few more changes have been made- h ighl. . . From: Brian Warner/ANE/FAA ANE-11 0 , Standards Staff 12/04/2012 09:27: 20 AM To: Cc: Martin Adler/ANE/FAA@FAA , Alan Strom/ ANE/FAA@FAA, Roger H Love/ANE/FAA@FAA Alan Rowe/ANE/FAA , James E Gray/ANE/FAA@FAA, John Golinski/ANE/FAA , Paul Donato/ANE/FAA@FAA Date: Subject: All , 12/04/2012 09:27AM Re : ACTION BY : 12/05/12- 2012-NE-39-AD -IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Fa ilu re. NPRM- Ver 2.4

A few more changes have been made - highlighted in yellow . Please review version 2.4 and provide comment 

### I concurrence . [attachment "12ne39n .doc" deleted by Alan Strom/ANE/FAA] Thanks. . . Brian 

### Brian M . Warner Federal Aviation Admin istration Engine and Propeller Directorate Standards Staff, ANE-11 0 Technical Writer I Editor

### Re: ACTION BY: 12/05/12- 2012-NE-39-AD -IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Failure. NPRM - Ver 2.4 

## [J Martin Adler . ANE 141 E · 

## c . f . . B h 141 to: Bnan Warner 12/04/2012 09 :36AM

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### I concur Cc: Alan Rowe, Alan Strom , James E Gray , John Golinski , Paul Donato, Roger H Love Marty Adler Aerospace Engineer Engine & Propeller Directorate Engine Certification Office, ANE-141 Ph : (781) 238-7157 Brian Warner All , A few more changes have been made- highl. . . 

### From: Brian Warner/ANE/FAA ANE - 11 0 , Standards Staff 

### 12/04/2012 09:27:20 AM To: Cc: Martin Adler/ANE/FAA@FAA, Alan Strom/ANE/FAA@FAA, Roger H Love/ANE/FAA@FAA Alan Rowe/ANE/FAA, James E Gray/ANE/FAA@FAA, John Golinski/ANE/FAA , Paul Donato/ANE/FAA@FAA Date: Sub ject: All, 12/04/2012 09 :27AM Re : ACTION BY: 12/05/12- 2012-NE-39-AD- IAE V2500-D5 No . 4 Bearing Scavenge Oil Tube Failure . NPRM- Ver 2.4

A few more changes have been made - highlighted in yellow . Please review version 2.4 and provide comment 

### I concurrence . [attachment "12ne39n.doc" deleted by Martin Adler/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 Click here to send us your feedback : http://www.faa.gov/about/office erg/headquarters offices/avs/stakeholder feedback/air/field/

# I Re: ACTION BY: 12/05/12- 2012-NE-39-AD -IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Failure. NPRM - Ver 2.4 

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# - Roger H Love . AE A-BOS-AEG-6 7, Burlington , MA 

### to: Bnan Warner Cc Alan Rowe , Alan Strom , James E Gray, John Golinski , Martin Adler, Paul Donato 

### I concur with version 2.4. Roger H . Love Propulsion Specialist Boston Aircraft Evaluation Group (AEA-BOS-AEG-67) 781-238-7891 , fax 7898 12/04/2012 01 :53PM

We value your comments , please fill out the form using the following link: http ://www .faa .gov/about/office

_org/headquarters_offices/avs/stakeholder

_feedbacklafs/field/sf_aeg/
Brian Warner All , A few more changes have been made- highl. . . From: Brian Warner/ANE/FAA ANE-11 0 , Standards Staff 12/04/2012 09:27 :20 AM To: Cc : Martin Adler/ANE/FAA@FAA , Alan Strom/ANE/FAA@FAA, Roger H Love/ANE/FAA@FAA Alan Rowe/ANE/FAA, James E Gray/ANE/FAA@FAA, John Golinski/ANE/FAA, Paul Donato/AN E/FAA@FAA Date: Subject: All , 12/04/2012 09 :27 AM Re : ACTION BY : 12/05/12- 2012-NE-39-AD- IAE V2500-D5 No . 4 Bearing Scavenge Oil Tube Failure. NPRM - Ver 2 .4

A few more changes have been made- highlighted in yellow . Please review version 2.4 and provide comment 

### I concurrence. [attachment "12ne39n .doc" deleted by Roger H Love/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 .warne r @faa.gov

### Re: ACTION BY: 12114/12- 2012-NE-39-AD -IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Failure. NPRM - Ver 3.2 

# Cl Vincent Bennett . to· Brian Warner 12/21/2012 10:26 AM ANE-007 , Off1ce of Reg1onal Counse l Legal concurs. Regards, 

# v C . Alan Rowe, Eugene Triozzi , James E Gray, John Golinski, Paul c. Donato , Martin Adler

Brian Warner Vince, Please review and provide comment 

### I co... From: To : Brian WarneriANEIFAA ANE-11 0, Standards Staff Vincent Bennett/ANEIFAA@FAA, 

### 1212012012 12:07:35 PM

Cc: Alan Rowe/ANE/FAA, Eugene Triozzi/ANE/FAA@FAA, James E Gray/ANE/FAA@FAA , John Golinski/ANE/FAA, Paul Donato/ANE/FAA@FAA, Martin Adler/ANE/FAA@FAA Date : 12/20/2012 12 :07 PM Subject: Re : ACTION BY : 12/14/12- 2012-NE-39-AD - IAE V2500-D5 No.4 Bearing Scavenge Oil Tube Failure . NPRM - Ver 3 .2 Vince, Please review and provide comment 

### I concurrence. Changes are highlighted in yellow.

12ne39n .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/field/ Martin Adler Brian , I concur with th is latest version 

### (3.2?) 12/20/201211:50:23AM