ATR Service Bulletin ATR42-27-0105

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AD 2015-13-01Flight controls · ATR - GIE Avions de Transport Régional ATR42-500 and ATR72-212AEffective Jul 13, 2015 · Revision 01

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Page 1Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

Printed in France

TRANSMITTAL SHEET Revision No. 01 This page transmits Revision No. 01 of Service Bulletin No. ATR42-27-0105.

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

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-3 - Para. 1.H. updated.

Page 2Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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-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

Page 3Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

Printed in France

ACCOMPLISHMENT REPORT SERVICE BULLETIN No. ATR42-27-0105 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:

Page 4Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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:

Page 5Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

Printed in France COMPLIANCE: MANDATORY INSPECTION : 007/2010

TITLE: Flight controls - Elevator control - 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) 671, 673, 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 process. It was evidenced that the incorrect manufacturing process could have had an impact on the elevator control rods addressed by this Service Bulletin.

Page 6Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

Printed in France 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 mandatory by an EASA Airworthiness Directive.

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

Page 7Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

Printed in France

(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.

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.

Page 8Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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.

Page 9Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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

Page 10Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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

C. LIST OF MATERIALS - OPERATOR SUPPLIED None.

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

None.

Page 11Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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.

Page 12Open in PDF

SERVICE BULLETIN ATR42

Revision No. 01 - Aug 30/11 Service Bulletin No. ATR42-27-0105

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.

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