# SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page TS-1 of TS- 2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 

### TRANSMITTAL SHEET

Revision No. 01

This page transmits Revision No. 01 of Service Bulletin No. ATR42-27-0104.

General information concerning this document is available in Service Letter No. ATR42-00-5005.



### TITLE : Flight controls - LH and RH r udder pedals - Inspection of rods

1 – ADDITIONAL WORK

A- IMPACT ON PROCEDURE

The changes introduced by this Revision do not affect aircraft on which the present Service Bulletin has already been applied.

B- IMPACT ON COMPONENTS

The associated spare parts already delivered remain valid.

2 – TECHNICAL IMPACT ON REVISED PAGES

Layout changes due to computerization of this revision are not identified.

Page PI-1 - COMPLIANCE "RECOM MENDED" becomes "MANDATORY".

Page PI-2 - Para. 1.B., COMPLIANCE sentence changed. Para. 1.D., sentence updated.

Page PI-3 - Para. 1.H. updated.

Pages MI-2 and MI-3 - Para. 2.D., sentence updated and addresses added.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page TS-2 of TS-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 3 – TABLE OF CONTENTS

TRANSMITTAL SHEET ...................................................................................Page TS-1 to TS-2

ACCOMPLISHMENT REPORT ...................................................................... Page AR-1 to AR-2

PLANNING INFORMATION............................................................................... Page PI-1 to PI-3

MATERIAL INFORMATION.............................................................................. Page MI-1 to MI-3

ACCOMPLISHMENT INSTRUCTIONS ............................................................. Page AI-1 to AI-3

ILLUSTRATIONS................................................................................................ Page IL-1 to IL-1

4 – REVISION SEQUENCES

Issue or Revision Date Additional work

Original issue Dec 17/10 - Revision No. 01 Aug 30/11 No

# SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page AR-1

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 

### ACCOMPLISHMENT REPORT

SERVICE BULLETIN No. ATR42-27-0104

Revision No. 01

Send this report to:

ATR ENGINEERING SERVICE BULLETIN GROUP 1 ALLEE PIERRE NADOT 31712 BLAGNAC CEDEX FRANCE phone : +33 (0)5 62 21 62 21 fax : +33 (0)5 62 21 69 41 e-mail : techdesk@atr.fr

Aircraft identification

Service Bulletin accomplished on aircraft MSN:

Service Bulletin accomplishment date:

Aircraft registration number:

Number of flights:

Flight hours:SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page AR-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France Inspection results

Captain Pedal Assembly F/O Pedal Assembly

LH Rod RH Rod LH Rod RH Rod

Batch number

S/N in batch

If batch number is CC 21 09699, CC 21 18930, CC 21 28856 or CC 21 05479 or if the batch number is unreadable, fill the field here below (Tick ( 3 ) the appropriate box)

End of the Rod on pedal side Test succeeds

Test fails Test succeeds

Test fails Test succeeds

Test fails Test succeeds

Test fails

End of the rod on lever side Test succeeds

Test fails Test succeeds

Test fails Test succeeds

Test fails Test succeeds

Test fails

Maintenance organisation identification

Maintenance organisation name:

Name & Signature:

Date:

# SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page PI-1

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France COMPLIANCE : MANDATORY INSPECTION : 004/2010



### TITLE : Flight controls - LH and RH r udder pedals - Inspection of rods

1. PLANNING INFORMATION

A. EFFECTIVITY

(1) Aircraft models

ATR42-200 ATR42-300 ATR42-320 ATR42-400 ATR42-500

NO NO NO NO YES

(2) Aircraft

MSN Kit(s)

675, 689, 691, 693, 695, 800, 801, 802, 803, 804, 807, 815 None

(3) Spares

The following stock items are modifiable (or not) according to the table below.

None.

B. REASON

It has been experienced some cases of rupture of the rudder pedal rods due to an incorrect manufacturing.

The aim of this Service Bulletin is to inspect the four rods, and to replace them if
necessary.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page PI-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France COMPLIANCE : Accomplishment of this Service Bulletin is mandatory. An Airworthiness Directive will be issued by EASA.

C. DESCRIPTION

Accomplishment of this Service Bulletin consists in carrying out the following jobs:

(1) In zones 113 and 114, inspection of the four rudder pedal rods

According to the inspection results:

(2) In zones 113 and 114, replacement of rods

D. APPROVAL

The technical content of this document (Rev. No. 01) is approved in accordance with CE 1702/2003 regulation and is rendered mandator y by an EASA Airworthiness Directive.

E. MANPOWER

(1) Valid for aircraft on which there is no rod to replace

Manhours

Mechanic 5

Electrician None

Total manhours 5
Elapsed time (hours) 5

(2) Valid for aircraft on which there are four rods to replace

Manhours

Mechanic 30

Electrician None

Total manhours 30
Elapsed time (hours) 15SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page PI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France The above estimates are only provided for general guidance in operator's modification planning.

NOTE : This Service Bulletin assumes that the aircraft has been placed in the appropriate maintenance configuration. The manhours/elapsed time estimates do not include preparation for the inspection, non-productive elapsed time or administrative functions.

F. WEIGHT AND BALANCE

None.

G. REFERENCES

The following publications have to be used during accomplishment of this Service Bulletin:

AMM : 06-41-80

AMM (JIC) : 24-40-00 EAD 10000 25-11-11 RAI 10000 27-21-11 RAI 10010

IPC : 27-21-10

H. AFFECTED PUBLICATIONS

(1) Maintenance documentation

None.

(2) Operational documentation

None.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page MI-1

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 2. MATERIAL INFORMATION

A. MATERIAL - COST AND AVAILABILITY

(1) Material

Parts cost and availability, or any further commercial information about Service Bulletin, may be consulted through ATRactive or operator should contact ATR at the following addresses:

www.atractive.com

ATR CUSTOMER SERVICES SPARES SUPPORT 1 ALLEE PIERRE NADOT 31712 BLAGNAC CEDEX FRANCE phone : +33 (0)5 62 21 60 33 fax : +33 (0)5 62 21 62 80 e-mail : spares.quotations@atr.fr

Or operator should contact the ATR center it is related to, according to its operational area, at the following addresses:

ATR NORTH AMERICA 45195 BUSINESS COURT, SUITE 450 DULLES, VIRGINIA 20166 USA phone : +1 571 203 6920 fax : +1 571 203 6903 e-mail : commercialservices@atrnorthamerica.com

ATR EASTERN SUPPORT Pte Ltd. 51 CHANGI BUSINESS PARK CENTRAL 2 #08-02 THE SIGNATURE SINGAPORE 486066 phone : +65 6542 0122 fax : +65 6542 1047 e-mail : commercial.services@atr.com.sg

Operator should place a purchase order specifying parts reference through ATRactive or to the ATR center it is related to according to its operational area.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page MI-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France B. LIST OF COMPONENTS

Item Part Number Qty Description

Material

1 S2728116400000 4* Rod

* Quantity depending of rods to be replaced (maximum quantity: 4).

C. LIST OF MATERIALS - OPERATOR SUPPLIED

None.

D. SPECIAL TOOLS

Accomplishment of this Service Bulletin requires use of the following special tools:

Part Number Qty Description

98S27205004200 1 Inspection tool

Operator should place a purchase order to the ATR center it is related to, according to its operational area, at the following addresses:

ATR CUSTOMER SERVICES SPARES SUPPORT 1 ALLEE PIERRE NADOT 31712 BLAGNAC CEDEX FRANCE e-mail : commercial.services@atr.fr

ATR NORTH AMERICA 45195 BUSINESS COURT, SUITE 450 DULLES, VIRGINIA 20166 USA phone : +1 571 203 6920 fax : +1 571 203 6903 e-mail : commercialservices@atrnorthamerica.comSERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page MI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France ATR EASTERN SUPPORT Pte Ltd. 51 CHANGI BUSINESS PARK CENTRAL 2 #08-02 THE SIGNATURE SINGAPORE 486066 phone : +65 6542 0122 fax : +65 6542 1047 e-mail : commercial.services@atr.com.sgSERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page AI-1

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 3. ACCOMPLISHMENT INSTRUCTIONS

A. GENERAL

The following instructions assume that work will be accomplished when the aircraft is in the appropriate maintenance configuration.

B. JOB SET-UP

(1) De-energize the aircraft electrical network and connect the aircraft to ground as per AMM (JIC) 24-40-00 EAD 10000.

(2) Remove Captain and F/O seats as per AMM (JIC) 25-11-11 RAI 10000.

(3) In NLG bay, remove access panel 811 (Refer to AMM 06-41-80).

(4) Remove Captain and F/O pedal covers (Refer to IPC 27-21-10 Figure 01 Item 30B).

C. INSPECTION

(1) In zones 113 and 114, inspection of the four rudder pedal rods

NOTE : After accomplishment of this Service Bulletin fill the enclosed accomplishment report and send it to the address mentioned on the Accomplishment Report.

As per Figure 1

On the four rods Item 1, P/N S2728116400000 record the production batch number and the serial number.

(a) If neither of the four rods belong to the batches CC 21 09699, CC 21 18930, CC 21 28856 or CC 21 05479, perform paragraph 3.F.

(b) Valid for each rod belonging to the batches CC 21 09699, CC 21 18930, CC 21 28856 or CC 21 05479 or if the batch number is unreadable.

Using tool Item 2, P/N 98S27205004200 check the rod diameter in the area included between 4 mm (0.157 in) and 11 mm (0.433 in) from each end of the rod.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page AI-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 1 If the rod passes into the tool, perform replacement according to the Para. 3.D. MODIFICATION.

2 If the rod does not pass into the tool, perform Para. 3.F.

D. MODIFICATION

(1) In zones 113 and 114, replacement of rods

(a) As per AMM (JIC) 27-21-11 RAI 10010, remove all the parts listed in the following table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

1 Rod S2728116400000 4* - -

* Quantity depending of rods to be replaced (maximum quantity: 4)

(b) As per AMM (JIC) 27-21-11 RAI 10010, install all the parts listed in the following table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

1 Rod S2728116400000 4* - -

* Quantity depending of rods to be replaced (maximum quantity: 4)

E. TESTS

Verify that tests required by maintenance document AMM (JIC) 27-21-11 RAI 10010 mentioned on previous paragraph have been performed.SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104

Page AI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France F. CLOSE-UP

(1) Re-install Captain and F/O pedal covers (Refer to IPC 27-21-10 Figure 01 Item 30B).

(2) In NLG bay, re-install access panel 811 (Refer to AMM 06-41-80).

(3) Re-install Captain and F/O seats as per AMM (JIC) 25-11-11 RAI 10000.

(4) Re-energize the aircraft electrical network and connect the aircraft to ground as per AMM (JIC) 24-40-00 EAD 10000.SERVICE BULLETIN ATR42Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0104Page IL-1©Copyright 2011 Avions de Transport Régional - ATR - All rights reserved.Printed in FranceILLUSTRATIONSIn zones 113 and 114, inspection of the four pedal rodsFigure 1