40220 Tarnos

- France

Tel. +33 (0)5 59 74 40 00

Fax +33 (0)5 59 74 45 15



# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F 

# ARRIUS 2 No. 319 79 4834

Subject: Visual inspection of the drive

- link splines of the lubricating

device.

The technical information contained in this document is approved under the Authority of Design

Organization Approval No. EASA.21J.070.

Date on whic h this Mandatory SB becomes effective and must systematically be complied with,

according to the conditions of application.

If the resources needed to perform the procedure (parts, tools, documentation, etc.) are available any

earlier, thi s Mandatory SB may, as an exception, be applied prior to the effectivity date. NOVEMBER 2013



### Version : B

Reason for update :

- Optimization of tasks concerning oil pump drive link access.

- Reference to the lubrication unit in the “Conditions of applicability” parag raph was

replaced with a reference to the oil pump.



# SB_319_79_4834_EN - B <October 21, 2014> - 1 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 1

- 1 / 1 

### 1. GENERAL

1.1. Purpose

WARNING : FAILURE TO APPLY THIS MANDATORY SERVICE BULLETIN MAY LEAD TO AN UNCOMMANDED IN

FLIGHT ENGINE SHUT

- DOWN WHICH, ON A SINGLE

- ENGINE HELICOPTER, MAY LEAD TO AN

EMERGENCY AUTOROTATION LANDING

Avoid any loss of pressure in the lubrication device or the in

- flight engine, as this can very rapidly damage the

bearings and cause an in

- flight engine shut down.

1.2. Reason

Cases of a disconnection between the pump driv er and the oil pump shaft have been observed during service.

1.3. Description (see Figure)

This Mandatory SB consists of removing the oil pump to check the assembly of the pump driver on the oil pump

shaft and of visually inspecting the condition of the oil pum p link splines.

1.4. Approval

The technical information contained in this document has been approved under the Design Organization

Approval No. EASA.21J.070.

This Mandatory SB is subject to an Airworthiness Directive.

1.5. Conditions of application

The application conditions of this SB are defined respectively in:

- Chapter §2 regarding application at the operator’s site or by a qualified Maintenance Center for level 1, 2.

- Chapter §3 regarding application by a qualified Maintenance Center for level 3.

- Chapter §4 regarding application at a TURBOMECA

- approved Repair Center.

1.6. Update history

Not applicable.

END of section §1

“ General ”



# SB_319_79_4834_EN - B <October 21, 2014> - 2 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 1 / 8 

### 2. APPLICATION AT THE O PERATOR’S SITE OR BY A QUALIFIED MAINTENA NCE CENTER

FOR LEVEL 1, 2

WARNING : FAILURE TO APPLY THIS MANDATORY SERVICE BULLETIN MAY LEAD TO AN UNCOMMANDED IN

FLIGHT ENGINE SHUT

- DOWN WHICH, ON A SINGLE

- ENGINE HELICOPTER, MAY LEAD TO AN

EMERGENCY AUTOROTATION LANDING.

.

2.1. Required actions

For t he oil pump concerned, check the assembly of the pump driver on the oil pump shaft and visually check the

splines of the pump driver and the oil pump shaft.

2.2. Effectivity

ENGINE/VARIANT CODE CONDITIONS OF APPLIC ATION FOR ENGINES IN

SERVICE

ARRIUS 2F 1

- A * see § 2.3.

Application of this Mandatory SB is considered mandatory as a result of a technical requirement which might

affect flight safety of engines in service. It may be done as defined by the effectivity code given in the table

above.

Note : The following are affected by the mandatory SB:

- engines with serial numbers less than 34776

- engines (equipped with their lubrication device ) overhauled before January 1st 2013.

- engines which oil pump drive link has not been checked in accordance with prev ious version of the

Mandatory SB 319 79 4834 ( issued nov ember 25 th

, 2013).

2.3. Conditions of application for engines in service

Among oil pump identified in § “2.2. Effectivity”, the following actions will be necessary based on the part

number of the oil pump :

- P/N 03191 1 50 40 : no check required, return APPENDIX 2.1.

- P/N 03191550 5 0: check the assembly of the pump driver, check the splines of the pump driver and the oil

pump shaft and return APPENDICES 2.1 and 2.2.

The conditions of application for this Mandatory SB are given in the table below:

Oil pump: 031915505 0

Conditions of application:

Engine TSN or TSO or Time since

last installation of the oil pump

(whichever comes first) Maintenance task to be performed Application deadline (1)

Must be less than 250 hrs

Check of the assembly (clips) of

the driver on the oil pump shaft

and

visual check of the oil pump link

splines Before reaching 300 hrs:

- Engine TSN or TSO

- or since the last installation of the

oil pump (whichever comes first)

O ver 250 hrs but must be less

than 300 hrs Within 50 hrs of receiving this

Mandatory SB

O ver 300 hrs but must be less

than 800 hrs Within 100 hrs of receiving this

Mandatory SB

After 800 hrs and over At the next 500 hr periodic

inspection

(1) : Mandatory SB to be applied by September 2018 at the latest



# SB_319_79_4834_EN - B <October 21, 2014> - 3 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 2 / 8 2.4. Accomplishment Instructions

2.4.1. Implementation

The application of this Mandatory SB does not necessitate removing the engine from the helicopter.

2.4.2. Operating instructions

WARNING : THE FAILURE TO RESPECT THIS MANDATORY SB MAY RESULT IN AN IN

- FLIGHT ENGINE

- SHUTDOWN

WHICH ON A SINGLE ENGINE HELICOPTER RESULTS IN AN EMERGENCY LANDING DURING

AUTOROTATION.

Removed only yhe cover (01

- 010) and identify the P/N of the installed oil pump (01

- 050): refer to

Main tenance Manual, Task 79

- 24

- 05

- 900

- 801

and return the “Compliance certificate for identification of the oil pump” (APPENDIX 2.1)

P/N oil pump : 0319115040

No inspection necessary P/N oil pump : 03191550 5 0

Remove the oil pump: refer to Maintenance Manual,

Task 79

- 24

- 05

- 900

- 801

If the driver remains in module 1 “accessory

gearbox” : extract the oil pump driver using a magnet.

NOTE: procedure must be performed carefully to

prevent damage to the driver.

The lubrication device may be removed to facilitate

accessibility: refer to Maintenance Manual, task 79

- 21

-

00

- 900

- 801

The driver remaining on Module 1 does not need to be

systematically replaced. The driver must be replaced if

it does not conform with the inspections and assembl y

instructions below. If the driver remains installed

on the oil pump : remove the

pump driver: refer to

Maintenance Manual, task 79

-

24

- 05

- 900

- 801

- Clean and visually inspect the splines:

- of the pump driver

- of the oil pump shaft

Refer to Maintenance Manual, task 70

- 11

- 00

- 940

- 801 (§ “B. Examination of equipment splines”).

- Report the results of the equipment inspection by completing APPENDIX 2.2. of this Mandatory SB.

- If a non

- conformity on the splines is identified during these inspections, contact TURBOMECA.

- Install the pump driver on the shaft of the lubrication device oil pump: refer to Maintenance Manual,

task 79

- 24

- 05

- 900

- 801.

Note: make sure that the pump driver is firmly attached to the pump shaft. A holdin g force must

be observed by manually pulling on the driver. In addition, the driver does not detach when the

oil pump is positioned on a vertical axis, with the driver at the lowest point

.

- Install the oil pump: refer to Maintenance Manual, task 79

- 24

- 05

- 900

- 801. The engine or module on

which it is being installed must be positioned horizontally.

- Return “Mandatory SB No. 319 79 4834 compliance certificate and inspection results” (APPENDIX

2.2).



# SB_319_79_4834_EN - B <October 21, 2014> - 4 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 3 / 8 2.4.3. Reconditioning and checks

Perform a ground run check: refer to Maintenance Manual, task 71

- 02

- 13

- 280

- 801.

2.4.4. Identification

- Record the application of the Mandatory SB, specifying the version applied, in section "E" of the

"current" engine log book or in section "A" of the "unique" engine log book.

- Notify TURBOMECA that this Mandatory SB has been applied by returning the fully completed

compliance certificate (APPENDIX 2.2).

2.4.5. Routine maintenance

No modification to the routine maintenance. 

### FIGURE Cannelures

Splines

Zone de marquage de la

référence de la pompe à huile

M arking area of the o il pump P/N Entraîneur

P ump d river

Pompe à huile (01

- 050)

Oil pump (01

- 050)

Couvercle (01

- 010)

Cover (01

- 010) Arbre de la pompe à huile

Oil pump shaft

Groupe de lubrification

Lubrication device Arbre de la pompe à huile

Oil pump shaft



# SB_319_79_4834_EN - B <October 21, 2014> - 5 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 4 / 8 2.5. Material information

2.5.1. Basic information

The parts list provided below and required for the application of this Mandatory SB is for one engine.

2.5.2. List of parts

Spare part according to TURBOMECA decision following a non

- conformity identified during the check:



### - Pump driver

- P/N: 0 319 15 006 0

– quantity: 1



### - Oil pump

- P/N: 0 319 15 505 0

– quantity: 1

2.5.3. Supply conditions

Supply of parts will be managed by:

T

U

R

B

O

M

E

C

A

N

O

R

I

A For Africa , Europe, Middle East For North and Central America

Team Tarnos

DVO Service NORIA

40220 TARNOS

- France

Fax : +33 (0) 5 59 74 45 72

noria

- tarnos

- arrius@turbomeca.fr Team Dallas

2709 Forum Drive

Grand Prairie, TX 75052

- USA

Fax : +1 972 606 76 68

noria

- dallas@turbomeca.com

Team UK

Concorde Way

Segensworth North, Fareham

Hants PO15 5RL

- United Kingdom

noria

- tmuk@turbomeca.co.uk Team Canada

11800, rue Helen

- Bristol

J7N 3G8 QC MIRABEL

- Canada

Fax : +1 450 476 1449

noria

- mirabel@turbomeca.ca

Team Hamburg

Borsteler Chaussee 43

22453 Hamburg

- Germany

Fax:+49 40 500 216 61

noria

- hamburg@turbomeca.de Team Mexico

Montes Urales 505 Piso 3

Colonia Lomas de Chapultepec 11000

- Mexico DF

noria

- mexico@turbomeca.com.mx

For Australasia , Oceania, Japan For South America

Team Sydney

115 Wackett St, Bankstown Airport

Bankstown, NSW 2200

- Australia

Fax : +61 2 9791 6708

noria

- sydney@turbomeca.com.au Team Rio

Rua Capitão Guynemer, 1626

– Xerém

CEP : 25250

- 130

– Duque de Caxias

- RJ

- Brasil

Fax : +55 21 2679 2794

noria

- rio@turbomeca.com.br

For Asia Pacific

Team Singapore

63 Loyang Way, Singapore 508753

Fax:+65 6545 4978

noria.singapore@turbomeca.com.sg

2.6. Manpower

 Personnel: 1 mechanic

 Time required: 2 man

- hours.

2.7. Tooling and/or products

Mechanic's standard tooling.

2.8. Weight and balance

Not applicable.

2.9. P ublication references

Document Engine Reference

Maintenance Manual (MM) ARRIUS 2F X 319 L6 301 2

Spare Parts Catalog (SPC) ARRIUS 2F X 319 L6 700 2



# SB_319_79_4834_EN - B <October 21, 2014> - 6 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 5 / 8 

## Objet : Attestation d’identification de la pompe à huile

Subject: Compliance certificate for identification of the oil pump

Important / Important notice (NORIA) :

Après application des instructions spécifiées dans ce SB Impératif, veuillez compléter la présente

attestation et la retourner auprès de votre coordinateur NORIA local par courrier ou courriel ou fax : se reporter au paragraphe 2.5.3.

After application of the instructions specified in this Mandatory SB, please complete this certificate and return it to

your local NORIA coordinator by mail or email or fax: refer to paragraph 2.5.3.

Information concernant le matériel / Equipment informat ion

Utilisateur

Customer N° Appareil

Aircraft S/N

N/S

- S/N Réf.

- P/N TSN * TSO * CSN * CSO*

Moteur

Engine

Groupe de

lubrification

installé

Installed

lubrication

device

* TSN = Time Since New (Heures depuis neuf) TSO = Time Since Ov erhaul (Heures depuis RG)

CSN = Cycles Since New (Cycles depuis neuf) CSO = Cycles Since Ov erhaul (Cycles depuis RG)

Pompe à huile

installée

Installed oil pump Ref.

– P/N 031911 50 4 0 031915505 0

N/S

– S/N

Je certifie que la pompe à huile identifiée ci

- dessus correspond à celle installée sur le moteur selon les

directives de ce SB Impératif

. I certify that the above

- mentioned oil pump is installed on the engine according to the directives given in this

Mandatory SB.

Date [ JJ/MMMM (en lettre)/AAAA

ou/or DD/MMMM (letter)/YYYY ] Nom / Print name Fonction / Job title



### ANNEXE 2.1 / APPENDIX 2.1 Signature :



# SB_319_79_4834_EN - B <October 21, 2014> - 7 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 6 / 8 

## Objet : Attestation d’application du SB Impératif n° 319 79 4834 et

résultats du contrôle

Subject: Mandatory SB No. 319 79 4834 compliance certificate and inspection

results

Important / Important notice (NORIA) :

Après application des instructions spécifiées dans ce SB Impératif, veuillez compléter la présente

attestation et la retourner auprès de votre coordinateur NORIA local par courrier ou courriel ou fax : se reporter au paragraphe 2.5.3.

After application of the instructions specified in this Mandatory SB, please complete this certificate and return it to

your local NORIA coordinator by mail o r email or fax: refer to paragraph 2.5.3.

Information concernant le matériel / Equipment information



### Utilisateur

Customer 

### N° Appareil

Aircraft S/N



### N/S

- S/N 

### Réf.

- P/N 

### TSN * 

### TSO * 

### CSN * 

### CSO*

Moteur

Engine

Groupe de

lubrification

contrôlé

Inspected

Lubrication

device

* TSN = Time Since New (Heures depuis neuf) TSO = Time Since Ov erhaul (Heures depuis RG)

CSN = Cycles Since New (Cycles depuis neuf) CSO = Cycles Since Ov erhaul (Cycles depuis RG)

Pompe à huile installée / Installed oil pump

Ref.

– P/N

NOTA : pour les pompes à huile 0319115040, le contrôle de la

liaison d’entrainement n’est pas requise 03191 1504 0 031915505 0

N/S

- S/N : N/S

- S/N :

Lors de la dépose de la pompe, l’entraineur reste solidaire de

l’arbre de pompe à huile

Nota : L’entraineur resté sur le module 1 n’est pas à remplacer

systématiquement. L’entraineur doit être remplacé si non

conforme avec les inspections et instructions de montage

décrites en § 2.4.2

During the oil pump removal, the driver pump remains fitted on the oil

pump shaft

Note: Driver remaining on Module 1 does not imply its systematic

replacement. Driver has to be replaced if not compliant to the

inspections and assembly instructions described in §2.4.2 Oui / Yes Non / No

Entraineur remplacé

Driver replaced Oui / Yes Non / No

Pompe à huile remplacée

Oil pump replaced Oui / Yes Non / No

Référence de l’entraineur contrôlé

Part number of the driver pump checked 0 319 15 006 0 0 319 15 720 0



# SB_319_79_4834_EN - B <October 21, 2014> - 8 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 7 / 8 

### Type et localisation des endommagements / Type and location of damage

 Localisation 01 : Cannelures de l’arbre de la pompe à huile /

location 01: Oil pump shaft splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Usure de frottement perceptible au toucher / Fretting

perceptible to the touch

Autre / other

Précisez / specify



###  Localisation 02 : Cannelure mâle de l’entraîneur /

location 02: Driver external splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Usure de frottement perceptible au toucher / Fretting

perceptible to the touch

Autre / other

Précisez / specify 01



### 02



# SB_319_79_4834_EN - B <October 21, 2014> - 9 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 2

- 8 / 8 

###  Localisation 03 : Cannelure femelle de l’entraîneur /

location 03: Driver internal splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Résidu (tous types) en fond de cannelures et au fond

de l’ensemble manchon / deposits (all types) in spline

grooves and in bottom of sleeve assembly

Autre / other

Précisez / specify

Opération effectuée par : Work performed by:

Je certifie que la pompe à huile identifiée ci

- dessus a été contrôlée selon les directives de ce SB

Impératif.

I certify that the above

- mentioned oil pump has been inspected according to the directives given in this Mandatory

SB.

Date [ JJ / MMMM (en lettre) / AAAA

or DD / MMMM (letter) / YYYY ] Nom / Print name Fonction / Job title



### ANNEXE 2.2 / APPENDIX 2.2 Signature :

END of section §2



### “ Application at the operator’s site or by a qualified Maintenance Center for level 1, 2 ” 

### 03

fond du manchon



# SB_319_79_4834_EN - B <October 21, 2014> - 10 / 18

# MANDATORY SERVICE BU LLETIN

Applicable variants: ARRIUS 2 F § 

### 3

- 1 / 1 

### 3. APPLICATION BY A QUA LIFIED MAINTENANCE C ENTER FOR LEVEL 3

No specific instructions regarding application at this maintenance level. Refer to Chapter 2.



### END of section §3

“ Application by a qualified Maintenance Center for level 3 ”



# SB_319_79_4834_EN - B <October 21, 2014> - 11 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 1 / 7 

### 4. APPLICATION AT A TUR BOMECA

- APPROVED REPAIR CENT ER

4.1. Required actions

For the oil pump concerned (excluding isolated returns), check the assembly of the pump driver on the oil pump

shaft and visually check the splines of the pump driver and the oil pump shaft.

4.2. Effectivity and compliance times

ENGINE/VARIANT CODE CONDITIONS OF APPLICATION FO R ENGINES IN

SERVICE

ARRIUS 2F 1

- A Application prior to delivery (* see § 4.3.)

Application of this Mandatory SB is considered mandatory as a result of a technical requirement which might

affect flight safety of engines in service. It may be done as defined by the effectivity code given in the table

above.

Note : The following are affected by the mandatory SB:

- engines with serial numbers less than 34776

- engines (equipped with their lubrication device ) overhauled before January 1st 2013.

- engines which oil pump drive link has not been checked in accordance with previous version of the

Mandatory SB 319 79 4834 (issued nov ember 25 th , 2013).

4.3. Conditions of application for engines in service

For engines identified in § “4.2. Effectivity and compliance times”, the following actions will be necessary based

on the part number of the oil pump :



### - P/N 03191 1504 0: no check required, return APPENDIX 4.1.



### - P/N 03191550 5 0: check the assembly of the pump driver, check the splines of the pu mp driver and the oil

pump shaft and return APPENDICES 4.1 and 4.2.

4.4. Accomplishment Instructions

4.4.1. Implementation

Not applicable.

4.4.2. Operating instructions

Refer to the Overhaul Manual and/or the Component Maintenance Manual.



# SB_319_79_4834_EN - B <October 21, 2014> - 12 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 2 / 7 4.4.3. Reconditioning and checks

Refer to the Overhaul Manual and/or the Component Maintenance Manual.

4.4.4. Identification

- Record the application of this Mandatory SB, specifying the version applied, in section “A” of the

“unique” engine log book.

- Notify TURBOMECA that this Mandatory SB has been applied by returning the fully completed

compliance certificate (AP PENDIX 4.1).

4.4.5. Routine maintenance

No modification to the routine maintenance. FIGURE Cannelures

Splines

Groupe de lubrification

Lubrication device Arbre de la pompe à huile

Oil pump shaft

Pompe à huile (01

- 050)

Oil pump (01

- 050)

Couvercle (01

- 010)

Cover (01

- 010) Zone de marquage de la

référence de la pompe à huile

M arking area of the o il pump P/N Entraîneur

P ump d river



# SB_319_79_4834_EN - B <October 21, 2014> - 13 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 3 / 7 4.5. Material information

4.5.1. Basic information

The parts list provided below and required for the application of this Mandatory SB is for one engine.

4.5.2. List of parts

Spare part according t o TURBOMECA decision following a non

- conformity identified during the check:



### - Pump driver

- P/N: 0 319 15 006 0

– quantity: 1



### - Oil pump

- P/N: 0 319 15 505 0

– quantity: 1

4.5.3. Supply conditions

Supply of parts will be managed by:

T

U

R

B

O

M

E

C

A

N

O

R

I

A For Africa , Europe, Middle East For North and Central America

Team Tarnos

DVO Service NORIA

40220 TARNOS

- France

Fax : +33 (0) 5 59 74 45 72

noria

- tarnos

- arrius@turbomeca.fr Team Dallas

2709 Forum Drive

Grand Prairie, TX 75052

- USA

Fax : +1 972 606 76 68

noria

- dallas@turbomeca.com

Team UK

Concorde Way

Segensworth North, Fareham

Hants PO15 5RL

- United Kingdom

noria

- tmuk@turbomeca.co.uk Team Canada

11800, rue Helen

- Bristol

J7N 3G8 QC MIRABEL

- Canada

Fax : +1 450 476 1449

noria

- mirabel@turbomeca.ca

Team Hamburg

Borsteler Chaussee 43

22453 Hamburg

- Germany

Fax:+49 40 500 216 61

noria

- hamburg@turbomeca.de Team Mexico

Montes Urales 505 Piso 3

Colonia Lomas de Chapultepec 11000

- Mexico DF

noria

- mexico@turbomeca.com.mx

For Australasia , Oceania, Japan For South America

Team Sydney

115 Wackett St, Bankstown Airport

Bankstown, NSW 2200

- Australia

Fax : +61 2 9791 6708

noria

- sydney@turbomeca.com.au Team Rio

Rua Capitão Guynemer, 1626

– Xerém

CEP : 25250

- 130

– Duque de Caxias

- RJ

- Brasil

Fax : +55 21 2679 2794

noria

- rio@turbomeca.com.br

For Asia Pacific

Team Singapore

63 Loyang Way, Singapore 508753

Fax:+65 6545 4978

noria.singapore@turbomeca.com.sg

4.6. Manpower

 Personnel of approved Repair Center.

 Time determined by the Repair Center as being appropriate for this level of intervention.

4.7. Tooling and/or products

Refer to the Overhaul Manual and to the relevant Component Maintenance Manual.

4.8. Weight and balance

Not applicable.



# SB_319_79_4834_EN - B <October 21, 2014> - 14 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 4 / 7 4.9. Publication references

Document Engine Reference

Component Maintenance Manual (CMM) ARRIUS 2F 79

- 24

- 05

Overhaul Manual (MR) ARRIUS 2F X 319 L6 301 2

Illustrated Parts Catalog (IPC) ARRIUS 2F X 319 L6 700 2



# SB_319_79_4834_EN - B <October 21, 2014> - 15 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 5 / 7 

## Objet : Attestation d’application du SB Impératif n° 319 79 4834 et

résultats du contrôle

Subject: Mandatory SB No. 319 79 4834 compliance certificate and inspection

results

Important / Important notice (NORIA) :

Après application des instructions spécifiées dans ce SB Impératif, veuillez compléter la présente

attestation et la retourner auprès de votre coordinateur NORIA local par courrier ou courriel ou fax : se reporter au paragraphe 2.5.3.

After application of the instructions specified in this Mandatory SB, please complete this certificate and return it to

your local NORIA coordinator by mail or email or fax: refer to paragraph 2.5.3.

Information concernant le matériel / Equipment information



### Utilisateur

Customer 

### N° Appareil

Aircraft S/N



### N/S

- S/N 

### Réf.

- P/N 

### TSN * 

### TSO * 

### CSN * 

### CSO*

Moteur

Engine

Groupe de

lubrification

contrôlé

Inspected

Lubrication

device

* TSN = Time Since New (Heures depuis neuf) TSO = Time Since Ov erhaul (Heures depuis RG)

CSN = Cycles Since New (Cycles depuis neuf) CSO = Cycles Since Ov erhaul (Cycles depuis RG)

Pompe à huile installée / Installed oil pump

Ref.

– P/N

NOTA : pour les pompes à huile 0319115040, le contrôle de la

liaison d’entrainement n’est pas requise 03191 1504 0 03191550 5 0

N/S

- S/N : N/S

- S/N :

Lors de la dépose de la pompe, l’entraineur reste solidaire de

l’arbre de pompe à huile

Nota : L’entraineur resté sur le module 1 n’est pas à remplacer

systématiquement. L’entraineur doit être remplacé si non

conforme avec les inspections et instructions de montage

décrites en § 2.4.2

During the oil pump removal, the driver pump remains fitted on the oil

pump shaft

Note: Driver remaining on Module 1 does not imply its systematic

replacement. Driver has to be replaced if not compliant to the

inspections and assembly instructions described in §2.4.2 Oui / Yes Non / No

Entraineur remplacé

Driver replaced Oui / Yes Non / No

Pompe à huile remplacée

Oil pump replaced Oui / Yes Non / No

Référence de l’entraineur contrôlé

Part number of the driver pump checked 0 319 15 006 0 0 319 15 720 0



# SB_319_79_4834_EN - B <October 21, 2014> - 16 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 6 / 7 

### Type et localisation des endommagements / Type and location of damage

 Localisation 01 : Cannelures de l’arbre de la pompe à huile /

location 01: Oil pump shaft splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Usure de frottement perceptible au toucher / Fretting

perceptible to the touch

Autre / other

Précisez / specify



###  Localisation 02 : Cannelure mâle de l’entraîneur /

location 02: Driver external splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Usure de frottement perceptible au toucher / Fretting

perceptible to the touch

Autre / other

Précisez / specify 01



### 02



# SB_319_79_4834_EN - B <October 21, 2014> - 17 / 18

# MANDATORY SERVICE BULLETIN

Applicable variants: ARRIUS 2 F § 

### 4

- 7 / 7 

###  Localisation 03 : Cannelure femelle de l’entraîneur /

location 03: Driver internal splines

Résultats du contrôle : cocher la case correspondante

Inspection result : check the corresponding box Conforme aux critères

Compliant with criteria Non conforme aux

critères

Not compliant with criteria

Corrosion / Corrosion

Impact / Impact

Ecaillage / Flaking

Arrachement / Stripping

Résidu (tous types) en fond de cannelures et au fond

de l’ensemble manchon / deposits (all types) in spli ne grooves and in bottom of sleeve assembly

Autre / other

Précisez / specify

Opération effectuée par : Work performed by:

Je certifie que la pompe à huile identifiée ci

- dessus a été contrôlée selon les directives de ce SB

Impératif.

I certify that the above

- mentioned oil pump has been inspected according to the directives given in this Mandatory

SB.

Date [ JJ / MMMM (en lettre) / AAAA

or DD / MMMM (letter) / YYYY ] Nom / Print name Fonction / Job title



### ANNEXE 4.1 / APPENDIX 4.1 Signature :

END of section §4



### “ Application by a TURBOMECA

- approved Repair Centre ” 03

fond du manchon



# SB_319_79_4834_EN - B <October 21, 2014> - 18 / 18