# SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
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. ATR72-27-1066.
General information concerning this document is available in Service Letter No. ATR72-00-6005.



### TITLE : Flight controls - Elevator control - 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-4 - Para. 1.H. updated.SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
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-4
MATERIAL INFORMATION.............................................................................. Page MI-1 to MI-3
ACCOMPLISHMENT INSTRUCTIONS ........................................................... Page AI-1 to AI-12
ILLUSTRATIONS................................................................................................ Page IL-1 to IL-4

4 – REVISION SEQUENCES

Issue or Revision Date Additional work

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

# SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page AR-1

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

### ACCOMPLISHMENT REPORT SERVICE BULLETIN No. ATR72-27-1066
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 ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page AR-2

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

Elevator control adjustable rod, P/N S2738183100600 (Refer to Item 1, Figure 1) Elevator control fixed rod, P/N S2738193000400 (Refer to Item 2, Figure 1)

LH rod (Captain side) RH rod (F/O side) LH rod (Captain side) RH rod (F/O side)

Batch number

Serial number

If batch number is 21 04392 or 21 06393, or if the batch number is unreadable, fill the field here below. If batch number is 21 05468 or 21 07022 or 21 09206, or if the batch number is unreadable, fill the field here below.

Performed action

Maintenance organisation identification
Maintenance organisation name:
Name & Signature:

Date:

# SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page PI-1

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France COMPLIANCE : MANDATORY INSPECTION : 007/2010



### TITLE : Flight controls - Elevator control - Inspection of rods

1. PLANNING INFORMATION

A. EFFECTIVITY
(1) Aircraft models

ATR72-101 ATR72-102 ATR72-201 ATR72-202 ATR72-211 ATR72-212 ATR72-212A

NO NO NO NO NO NO YES

(2) Aircraft

MSN Kit(s)

769, 770, 771, 772, 773, 774, 775, 776, 777, 778, 779, 780, 781, 782, 783, 784, 785, 786, 787, 788, 789, 790, 791, 792, 793, 794, 795, 796, 797, 798, 799, 805, 806, 808, 809, 810, 812, 813, 814, 816, 817, 818, 820, 821, 822, 824, 825, 828, 829, 830, 832, 833, 834, 836, 837, 838, 840, 841, 842, 843, 845, 846, 847, 848, 850, 851, 852, 853, 855, 856, 857, 858, 860, 861, 862, 863, 864, 865, 866, 867, 868, 869, 870, 871, 872, 873, 874, 875, 876, 877, 878, 879, 880, 881, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 906, 907, 909, 910, 912, 913, 914 NoneSERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page PI-2

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France (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 process. It was evidenced that the incorrect manufacturing process could have had an impact on the elevator control rods addressed by this Service Bulletin.
The aim of this Service Bulletin is to inspect four rods on elevator control system, and to replace them if necessary.

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 311 and 312, inspection of the LH and RH elevator control adjustable rods
(2) In zone 324, inspection of the LH and RH elevator control fixed rods
According to the inspection results:
(3) In zones 311 and 312, replacement of the LH and/or RH elevator control adjustable rods
(4) In zone 324, replacement of the LH and/or RH elevator control fixed 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.SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page PI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France E. MANPOWER
(1) Valid for aircraft on which there is no rod to replace

Manhours
Mechanic 1
Electrician None

Total manhours 1 Elapsed time (hours) 1

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

Manhours
Mechanic 10
Electrician None

Total manhours 10 Elapsed time (hours) 5

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 modification, non-productive elapsed time or administrative functions.

F. WEIGHT AND BALANCE

None.SERVICE BULLETIN ATR72

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Page PI-4

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France G. REFERENCES
The following publications have to be used during accomplishment of this Service Bulletin:

AMM : 06-41-30 06-41-80
AMM (JIC) : 24-40-00 EAD 10000 27-30-00 OPT 10000

H. AFFECTED PUBLICATIONS
(1) Maintenance documentation

None.
(2) Operational documentation

None.SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
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 ATR72

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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

Valid for aircraft on which the LH adjustable rod must be replaced

9 AN960KD416 1 Washer 13 AN960KD416L 1 Washer 12 NAS6704D17 1 Bolt 11 NAS75-4-007 2 Bushing 10 MS14144-4 1 Nut 14 MS14145-4 1 Nut 22 MS20995C32 1M Lockwire

7 MS24665-134 2 Cotter pin 8 S2738180220000 1 Bolt 1 S2738183100600 1 Adjustable rod

Valid for aircraft on which the RH adjustable rod must be replaced

9 AN960KD416 1 Washer 13 AN960KD416L 1 Washer 12 NAS6704D17 1 Bolt 11 NAS75-4-007 2 Bushing 10 MS14144-4 1 Nut 14 MS14145-4 1 Nut 22 MS20995C32 1M Lockwire

7 MS24665-134 2 Cotter pin 8 S2738180220000 1 Bolt 1 S2738183100600 1 Adjustable rodSERVICE BULLETIN ATR72

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Page MI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France Item Part Number Qty Description

Material (continued)

Valid for aircraft on which the LH fixed rod must be replaced

9 AN960KD416 1 Washer 18 NAS6704AD15 1 Bolt 15 NAS6704D19 1 Bolt 17 NAS75-4-008 1 Bushing 16 NSA5060-4 2 Nut 19 NTA11551-4DP 1 Washer 20 MS24665-153 1 Cotter pin 21 MS24665-162 1 Cotter pin

2 S2738193000400 1 Fixed rod

Valid for aircraft on which the RH fixed rod must be replaced

9 AN960KD416 1 Washer 18 NAS6704AD15 1 Bolt 15 NAS6704D19 1 Bolt 17 NAS75-4-008 1 Bushing 16 NSA5060-4 2 Nut 19 NTA11551-4DP 1 Washer 20 MS24665-153 1 Cotter pin 21 MS24665-162 1 Cotter pin

2 S2738193000400 1 Fixed rod

C. LIST OF MATERIALS - OPERATOR SUPPLIED

None.

D. SPECIAL TOOLS
Accomplishment of this Service Bulletin requires use of the following special tools:

None.SERVICE BULLETIN ATR72

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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) Before operating flight controls, make certain that the following safety precautions are observed:
Into flight compartment display warning notice prohibiting operation of the flight controls.

- Make certain that no personnel are working in control moving elements path

(surfaces, cables, quadrants, rods, bellcranks, etc.)

- Make certain that the travel ranges of the control surfaces are clear.
(3) Open access panel door 851 (Refer to AMM 06-41-80) and install a ladder.
(4) Valid for aircraft on which it is necessary to replace at least one fixed rod as per paragraph 3.D.(2). Open access panel 324AZ (Refer to AMM 06-41-30) and install a platform.SERVICE BULLETIN ATR72

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

NOTE : After accomplishment of this Service Bulletin fill the enclosed accomplishment report and send it to the address mentioned on the Accomplishment Report.
(1) In zones 311 and 312, inspection of the LH and RH elevator control adjustable rods
As per Figure 1
The rods can be identified in two different ways,

- First way: CC xxxxxxx

SN yyyy

- Second way: SN xxxxxxxyyyy
Where xxxxxxx is the batch number and yyyy is the serial number.
On the LH and RH adjustable rods Item 1, P/N S2738183100600 record the batch number and the serial number.
(a) If neither of the two adjustable rods belong to the batches 21 04392 or 21 06393, the adjustable rods are acceptable.
(b) Valid for each rod belonging to the batches 21 04392 or 21 06393, or if the batch number is unreadable.
Perform replacement according to the paragraph 3.D.(1).
(2) In zone 324, inspection of the LH and RH elevator control fixed rods
As per Figure 1
The rods can be identified in two different ways,

- First way: CC xxxxxxx

SN yyyy

- Second way: SN xxxxxxxyyyy
Where xxxxxxx is the batch number and yyyy is the serial number.
On the LH and RH fixed rods Item 2, P/N S2738193000400 record the batch number and the serial number by using a mirror and a light.SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page AI-3

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France (a) If neither of the two fixed rods belong to the batches 21 05468, 21 07022 or 21 09206, the rods are acceptable, perform paragraph 3.F.
(b) Valid for each fixed rod belonging to the batches 21 05468, 21 07022 or 21 09206, or if the batch number is unreadable.
Perform replacement according to the paragraph 3.D.(2).

D. MODIFICATION
(1) In zones 311 and 312, replacement of the LH and/or RH elevator control adjustable rods
(a) Replacement of LH adjustable rod

1 Remove all the parts listed in the following table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

3 Bolt NAS6703-4 - 3 2
4 Washer AN960KD10L - 3 2
5 Nut MS21042-3 - 3 2 6 Rub strip S2738181220200 - 1 2

2 Remove all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

7 Cotter pin MS24665-134 2 - 2
8 Bolt S2738180220000 1 - 2SERVICE BULLETIN ATR72

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Page AI-4

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

Item Description Part Number Qty Discarded Qty Re-used Figure

9 Washer AN960KD416 1 - 2
10 Nut MS14144-4 1 - 2 11 Bushing NAS75-4-007 2 - 2
12 Bolt NAS6704D17 1 - 2
13 Washer AN960KD416L 1 - 2
14 Nut MS14145-4 1 - 2

1 Adjustable rod S2738183100600 1 - 2

Specific instruction(s) : During rod removal, it is not allowed to modify the control linkage adjustment.

3 As per Figure 3
Measure precisely the length d1 of LH discarded rod center bearing-to-center bearing. Adjust new LH rod length d2 center bearing-to-center bearing such as d1 and d2 are identicals. Ensure that thread of each rod ends are visible through the inspection holes.
Tighten nuts of rod ends and secure them with lockwire, P/N MS20995C32 Item 22.SERVICE BULLETIN ATR72

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Page AI-5

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 4 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

1 Adjustable rod S2738183100600 1 - 2 11 Bushing NAS75-4-007 2 - 2

8 Bolt S2738180220000 1 - 2
9 Washer AN960KD416 1 - 2
10 Nut MS14144-4 1 - 2
12 Bolt NAS6704D17 1 - 2
13 Washer AN960KD416L 1 - 2
14 Nut MS14145-4 1 - 2

7 Cotter pin MS24665-134 2 - 2

Specific instruction(s) : First, install the forward fasteners of the adjustable rod Item 1, then the aft fasteners.

The head of bolts Item 8 and Item 12 must installed towards the inboard.

5 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

6 Rub strip S2738181220200 1 2
3 Bolt NAS6703-4 3 2SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page AI-6

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

Item Description Part Number Qty New Qty from Removal Figure

4 Washer AN960KD10L 3 2
5 Nut MS21042-3 3 2

Specific instruction(s) :

The head of bolts Item 3 must be installed towards the outboard.
(b) Replacement of RH adjustable rod

1 Remove all the parts listed in the following table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

3 Bolt NAS6703-4 - 3 2
4 Washer AN960KD10L - 3 2
5 Nut MS21042-3 - 3 2 6 Rub strip S2738181220200 - 1 2SERVICE BULLETIN ATR72

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© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 2 Remove all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

7 Cotter pin MS24665-134 2 - 2
8 Bolt S2738180220000 1 - 2
9 Washer AN960KD416 1 - 2
10 Nut MS14144-4 1 - 2 11 Bushing NAS75-4-007 2 - 2
12 Bolt NAS6704D17 1 - 2
13 Washer AN960KD416L 1 - 2
14 Nut MS14145-4 1 - 2

1 Adjustable rod S2738183100600 1 - 2

Specific instruction(s) : During rod removal, it is not allowed to modify the control linkage adjustment.

3 As per Figure 3
Measure precisely the length d1 of RH discarded rod center bearing-to-center bearing. Adjust new RH rod length d2 center bearing-to-center bearing such as d1 and d2 are identicals. Ensure that thread of each rod ends are visible through the inspection holes.
Tighten nuts of rod ends and secure them with lockwire, P/N MS20995C32 Item 22.SERVICE BULLETIN ATR72

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066
Page AI-8

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 4 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

1 Adjustable rod S2738183100600 1 - 2 11 Bushing NAS75-4-007 2 - 2

8 Bolt S2738180220000 1 - 2
9 Washer AN960KD416 1 - 2
10 Nut MS14144-4 1 - 2
12 Bolt NAS6704D17 1 - 2
13 Washer AN960KD416L 1 - 2
14 Nut MS14145-4 1 - 2

7 Cotter pin MS24665-134 2 - 2

Specific instruction(s) : First, install the forward fasteners of the adjustable rod Item 1, then the aft fasteners.

The head of bolts Item 8 and Item 12 must installed towards the inboard.SERVICE BULLETIN ATR72

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Page AI-9

© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France 5 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

6 Rub strip S2738181220200 1 2
3 Bolt NAS6703-4 3 2
4 Washer AN960KD10L 3 2
5 Nut MS21042-3 3 2

Specific instruction(s) :

The head of bolts Item 3 must be installed towards the outboard.
(2) In zone 324, replacement of the LH and/or RH elevator control fixed rods
(a) Replacement of LH fixed rod

1 Place rudder surface on RH side turn stop.

2 Remove all the parts listed in the following table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

15 Bolt NAS6704D19 1 - 4

9 Washer AN960KD416 1 - 4
16 Nut NSA5060-4 2 - 4 21 Cotter pin MS24665-162 1 - 4 17 Bushing NAS75-4-008 1 - 4
18 Bolt NAS6704AD15 1 - 4SERVICE BULLETIN ATR72

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

Item Description Part Number Qty Discarded Qty Re-used Figure

19 Washer NTA11551-4DP 1 - 4 20 Cotter pin MS24665-153 1 - 4

2 Fixed rod S2738193000400 1 - 4

3 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

2 Fixed rod S2738193000400 1 - 4
15 Bolt NAS6704D19 1 - 4

9 Washer AN960KD416 1 - 4
16 Nut NSA5060-4 2 - 4 21 Cotter pin MS24665-162 1 - 4 17 Bushing NAS75-4-008 1 - 4
18 Bolt NAS6704AD15 1 - 4
19 Washer NTA11551-4DP 1 - 4 20 Cotter pin MS24665-153 1 - 4

Specific instruction(s) :

The head of bolt Item 15 must be installed towards the inboard. The head of bolt Item 18 must be installed towards the outboard.SERVICE BULLETIN ATR72

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© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France (b) Replacement of RH fixed rod

1 Place rudder surface on LH side turn stop.

2 Remove all the parts listed in the following table.

REMOVAL

Item Description Part Number Qty Discarded Qty Re-used Figure

15 Bolt NAS6704D19 1 - 4

9 Washer AN960KD416 1 - 4
16 Nut NSA5060-4 2 - 4 21 Cotter pin MS24665-162 1 - 4 17 Bushing NAS75-4-008 1 - 4
18 Bolt NAS6704AD15 1 - 4
19 Washer NTA11551-4DP 1 - 4 20 Cotter pin MS24665-153 1 - 4

2 Fixed rod S2738193000400 1 - 4

3 Install all the parts listed in the following table. Carefully follow the specific instruction(s) detailed after the table.

INSTALLATION

Item Description Part Number Qty New Qty from Removal Figure

2 Fixed rod S2738193000400 1 - 4
15 Bolt NAS6704D19 1 - 4

9 Washer AN960KD416 1 - 4
16 Nut NSA5060-4 2 - 4 21 Cotter pin MS24665-162 1 - 4SERVICE BULLETIN ATR72

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

Item Description Part Number Qty New Qty from Removal Figure

17 Bushing NAS75-4-008 1 - 4
18 Bolt NAS6704AD15 1 - 4
19 Washer NTA11551-4DP 1 - 4 20 Cotter pin MS24665-153 1 - 4

Specific instruction(s) :

The head of bolt Item 15 must be installed towards the inboard. The head of bolt Item 18 must be installed towards the outboard.

E. TESTS
Perform an operational test of elevator control and tabs as per AMM (JIC) 27-30-00 OPT 10000.

F. CLOSE-UP
(1) Valid for aircraft on which it is necessary to replace at least one fixed rod as per paragraph 3.D.(2). Close access panel 324AZ (Refer to AMM 06-41-30).
(2) Close access panel 851 (Refer to AMM 06-41-80) and remove ladder.
(3) Remove warning notice.
(4) Re-energize the aircraft electrical network and disconnect the aircraft from ground as per AMM (JIC) 24-40-00 EAD 10000.SERVICE BULLETIN ATR72Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066Page IL-1©Copyright 2011 Avions de Transport Régional - ATR - All rights reserved.Printed in FranceILLUSTRATIONSIn zones 311, 312 and 324,inspection of the elevator control adjustable and fixed rodsFigure 1SERVICE BULLETIN ATR72Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066Page IL-2©Copyright 2011 Avions de Transport Régional - ATR - All rights reserved.Printed in FranceIn zones 311 and 312,replacement of LH and RH adjustable rodsFigure 2SERVICE BULLETIN ATR72

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© Copyright 2011 Avions de Transport Régional - ATR - All rights reserved. Printed in France Length adjustment of adjustable rods Figure 3SERVICE BULLETIN ATR72Revision No. 01 - Aug 30/11 Service Bulletin No. ATR72-27-1066Page IL-4©Copyright 2011 Avions de Transport Régional - ATR - All rights reserved.Printed in FranceIn zone 324, replacement of LH and RH fixed rodsFigure 4