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 rudder 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 "RECOMMENDED" 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 rudder 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 

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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 mandatory 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) 15 
SERVICE 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 

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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 

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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.com 
SERVICE 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.sg 
SERVICE 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 

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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 

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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 ATR42 

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

 Page IL-1 

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

Printed in France 

ILLUSTRATIONS 

In zones 113 and 114, inspection of the four pedal rods 

Figure 1