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ATR SERVICE BULLETIN ATR42
TRANSMITTAL SHEET Revision No. 01 This page transmits Revision No. 01 of Service Bulletin No. ATR42-57-0074.
General information concerning this document is available in Service Letter No. ATR42-00-5009.
TITLE: Wings - Outer wing box - Inspection of upper rib feet from rib24 to rib29 © ATR. All rights reserved. Confidential and proprietary document.
This document shall not be reproduced or disclosed to a third party without the written consent of ATR. This document and its content shall not be used for any purpose other than that for which it is supplied.
ATR, its logo, the distinctive ATR aircraft profiles and patented information relating to the ATR aircraft are the exclusive property of ATR and are subject to copyright. This document and all information contained herein are the sole property of ATR. No intellectual property right is granted through, or induced by, the delivery of this document or the disclosure of its content.
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page TS-1 of TS-3
ATR SERVICE BULLETIN ATR42 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 Not applicable.
2 - TECHNICAL IMPACT ON REVISED PAGES Layout changes due to computerization of this revision are not identified.
Page PI-1 - COMPLIANCE "RECOMMENDED" becomes "MANDATORY".
Pages PI-1 and PI-2 - Para. 1.A.(2), MSN 216 deleted, MSN 1214, 1216, 1217 and 1219 added.
Page PI-2 - Para. 1.B., "REASON" updated and Airworthiness Directive No. 2017-0244 added.
Page PI-3 - Para. 1.D., sentence updated.
3 - TABLE OF CONTENTS TRANSMITTAL SHEET .. . Page TS-1 to TS-3 ACCOMPLISHMENT REPORT.... . Page AR-1 to AR-4 PLANNING INFORMATION... Page PI-1 to PI-4 MATERIAL INFORMATION.. Page MI-1 to MI-1 ACCOMPLISHMENT INSTRUCTIONS Page Al-1 to Al-1 TYPE DESIGN RECOVERING.. None ILLUSTRATIONS None Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page TS-2 of TS-3 ® ATR. All rights reserved. Confidential and proprietary document.
ATR SERVICE BULLETIN ATR42 4 - REVISION SEQUENCES Issue or Revision Date Additional work Original issue Oct 19/17 Revision No. 01 Jan 08/18 Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page TS-3 of TS-3 © ATR. All rights reserved. Confidentlal and proprietary document.
ATR SERVICE BULLETIN ATR42
ACCOMPLISHMENT REPORT SERVICE BULLETIN No. ATR42-57-0074 Revision No. 01 Send this report to:
ATR RETROFIT ENGINEERING 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-aircraft.com Aircraft identification Aircraft MSN (on which this Service Bulletin has been accomplished):
Aircraft registration number:
Number of flights:
Flight hours:
Accomplishment date of this Service Bulletin:
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page AR-1 © ATR. All rights reserved. Confidential and proprietary document
ATR SERVICE BULLETIN ATR42 Inspection results Tick (%) the appropriate box
(1) At level of the LH outer wing box YES NO
a) Is there crack or other discrepancy found during the inspection?
b) If "YES", report in the table below (tick) the location of the crack or discrepancy.
LH OUTER WING BOX RIB 24 25 26 27 28 29
FRONT SPAR/ STIFFENER 4 STIFFENER 4/5 STIFFENER 5/6 STIFFENER 6/7 STIFFENER 7/8 STIFFENER 8/9 STIFFENER 9/10 STIFFENER 10/
REAR SPAR Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page AR-2 © ATR All rights reserved Confidential and proprietary document
ATR SERVICE BULLETIN ATR42
(2) At level of the RH outer wing box
YES NO
a) Is there crack or other discrepancy found during the inspection?
b) If "YES", , report in the table below (tick) the location of the crack or discrepancy.
RH OUTER WING BOX RIB 24 25 26 27 28 29
FRONT SPARI STIFFENER 4 STIFFENER 4/5 STIFFENER 5/6 STIFFENER 6/7 STIFFENER 7/8 STIFFENER 8/9 STIFFENER 9/10 STIFFENER 10/
REAR SPAR
(3) If cracks or other discrepancies found, provide a mapping, pictures and location of each discrepancy.
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page AR-3 © ATR. All rights reserved. Confidential and proprietary document
ATR SERVICE BULLETIN ATR42
(4) Additional details:
Maintenance organisation identification Maintenance organisation name:
Name & Signature:
Date:
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page AR-4 © ATR All rights reserved. Confidential and proprielary document.
ATR SERVICE BULLETIN ATR42 COMPLIANCE: MANDATORY INSPECTION: 006/2017 TITLE: Wings - Outer wing box - Inspection of upper rib feet from rib24 to rib29
1. PLANNING INFORMATION A. EFFECTIVITY
(1) Aircraft models ATR42-200 ATR42-300 ATR42-320 ATR42-400 ATR42-500
YES YES YES YES YES
(2) Aircraft MSN Kit(s) 004, 005, 009, 010, 011, 013, 014, 016, 020, 021, 023, 024, 025, 031, 032, 036, 038, 041, 042, 043, 045, 047, 049, 051, 052, 057, 058, 059, 061, 062, 063, 066, 067, 069, 078, 079, 081, 088, 091, 093, 095, 096, 107, 112, 113, 116, 117, 118, 119, 120, 121, 122, 123, 125, 128, 130, 131, 132, 133, 135, 136, 138, 139, 141, 142, 143, 149, 151, 155, 158, 159, 170, 172, 173, 179, 190, 193, 194, 196, 197, 199, 200, 202, 203, 205, 206, 209, 211, 214, 218, None 221, 226, 228, 230, 231, 235, 236, 238, 240, 242, 243, 245, 247, 250, 252, 254, 255, 257, 262, 264, 266, 269, 273, 275, 277, 278, 280, 282, 284, 286, 287, 291, 293, 295, 296, 298, 300, 304, 306, 308, 310, 312, 314, 315, 317, 319, 321, 323, 325, 327, 329, 331, 333, 335, 337, 340, 343, 346, 348, 351, 354, 358, 360, 363, 366, 368, 374, 376, 378, 380, 384, 388, 390, 392, 394, 397, 400, 403, 406, 409, 412, Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page PI-1 © ATR. All rights reserved. Confidential and proprietary document
ATR SERVICE BULLETIN ATR42 MSN (continued) Kit(s) 415, 443, 445, 457, 462, 466, 471, 474, 476, 480, 484, 487, 490, 491, 495, 497, 500, 501, 502, 503, 504, 506, 507, 510, 511, 512, 513, 514, 515, 516, 518, 520, 522, 524, 526, 528, 530, 532, 534, 537, 539, 542, 544, 546, 549, 551, 554, 556, 559, 561, 564, 566, 569, 571, 574, 576, 579, 581, 584, 586, 589, 591, 594, 596, 599, 602, 603, 604, 605, 606, 607, 608, 609, 610, 611, 612, 613, 614, 615, 616, 617, 618, 619, 620, 621, 622, 623, 625, 627, 629, 631, 633, 637, 639, 641, 643, 645, 647, 649, None 651, 653, 655, 657, 659, 661, 665, 667, 669, 671, 673, 675, 689, 691, 693, 695, 800, 801, 802, 803, 804, 807, 815, 819, 823, 827, 831, 835, 839, 844, 849, 854, 859, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, 1014, 1016, 1017, 1018, 1019, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 1216, 1217, 1218, 1219 For each aircraft MSN, operator should order the mentioned kits).
Other parts or equipment could be required for embodiment of this Service Bulletin.
Please refer to chapter "MATERIAL INFORMATION" for details.
(3) Spares The following stock items are modifiable (or not) according to the table below.
None.
B. REASON Cracks have been reported on in-service aircraft. The occurences were located at level of upper feet of the typical sheet metal ribs framing the outer wing box. These damage, if not detected and corrected, could propagate to the adjacent skin panel at rib/panel junction and could adversely affect the structural integrity of the airplane.
The aim of this Service Bulletin is to inspect these areas and to report the results to ATR.
COMPLIANCE: Accomplishment of this Service Bulletin is mandatory.
The Airworthiness Directive No. 2017-0244 has been issued by EASA.
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page PI-2 © ATR. All rights reserved. Confidential and proprietary document.
ATR SERVICE BULLETIN ATR42 C. DESCRIPTION The following flowchart presents the work to be done in a simplified way, details are described in paragraphs "ACCOMPLISHMENT INSTRUCTIONS" Perform a detailed visual inspection NO Is there crack YES or other discrepancy tound?
No further action regarding Inform ATR, providing inspection structural damage report Inform ATR of Wait for nil finding instructions D. APPROVAL The technical content of this document (Rev. No. 01) is approved under the authority of DOA ref. EASA.21J.044.
E. MANPOWER Manhours Mechanic 6 Electrician None Total manhours Elapsed time hours) 3 Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page PI-3 © ATR. All rights reserved Confidential and proprietary document.
ATR SERVICE BULLETIN ATR42 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 (JIC): 57-21-00 DVI 10000 H. AFFECTED PUBLICATIONS
(1) Maintenance documentation None.
(2) Operational documentation None.
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page PI-4 © ATR All rights reserved. Confidential and proprietary document
ATR SERVICE BULLETIN ATR42
2. MATERIAL INFORMATION A. MATERIAL - COST AND AVAILABILITY None.
B. LIST OF COMPONENTS None.
C. LIST OF MATERIALS - OPERATOR SUPPLIED None.
D. SPECIAL TOOLS Accomplishment of this Service Bulletin requires use of the following special tools:
None.
Revision No. 01 - Jan 08/18 Service Bulletin No. ATR42-57-0074 Page MI-1 © ATR All rights reserved. Confidential and proprietary document