# SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page TS-1 of TS-2 

### TRANSMITTAL SHEET

Original issue

This page transmits Original issue of Service Bulletin No. ATR72-28-1026.

General information concerning this document is available in Service Letter No. ATR72-00-6005.



### TITLE : Fuel - Replace fuel quantity indicator

© 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 airc raft 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.SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page TS-2 of TS-2

© ATR. All rights reserved. Confidential and proprietary document. 1 – 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-6

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

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

ILLUSTRATIONS.................................................................................................................. None

2 – REVISION SEQUENCES

Issue or Revision Date Additional work

Original issue Feb 26/13 -

# SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page AR-1

© ATR. All rights reserved. Confidential and proprietary document.



### ACCOMPLISHMENT REPORT
SERVICE BULLETIN No. ATR72-28-1026 Original issue

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:

Fuel quantity indicator identification

FQI (FIN 3QT) removed part number:

FQI (FIN 3QT) installed part number:SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page AR-2

© ATR. All rights reserved. Confidential and proprietary document. Maintenance organisation identification

Maintenance organisation name:

Name & Signature:

Date:

# SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-1

© ATR. All rights reserved. Confidential and proprietary document. COMPLIANCE : MANDATORY MODIFICATION : 06062 L0935



### TITLE : Fuel - Replace fuel quantity indicator

1. PLANNING INFORMATION

A. EFFECTIVITY

(1) Aircraft models

The approved change used to generate this document has been certified on the following ATR72 models:

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

YES YES YES YES YES YES YES

(2) Aircraft

MSN Kit(s) S281026

108, 126, 140, 145, 147, 150, 154, 157, 162, 164, 167, 171, 174, 177, 180, 183, 186, 189, 192, 195, 198, 201, 204, 207, 210, 212, 215, 217, 220, 222, 224, 227, 229, 232, 234, 237, 239, 241, 244, 246, 248, 251, 253, 256, 260, 263, 265, 267, 270, 272, 274, 276, 279, 281, 283, 285, 288, 290, 292, 294, 297, 299, 301, 303, 305, 307, 309, 311, 313, 316, 320, 324, 326, 328, 330, 334, 336, 338, 339, 341, 342, 344, 345, 347, 349, 350, 352, 353, 355, 357, 359, 361, 362, 364, 365, 367, 369, 370, 372, 373, 375, 377, 379, 381, 383, 385, 387, 389, 391, 393, 395, 396, 398, 399, 402, 404, 405, 407, 408, 410, 411, 414, 416, 417, 419, 420, 422, 423, 425, 426, 428, 429, 431, 432, 434, A01SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-2

© ATR. All rights reserved. Confidential and proprietary document. MSN (continued) Kit(s) S281026

437, 440, 441, 444, 446, 447, 448, 449, 450, 451, 452, 453, 455, 456, 460, 461, 463, 464, 465, 467, 468, 469, 470, 472, 473, 475, 477, 479, 481, 482, 483, 485, 486, 488, 489, 493, 494, 496, 498, 499, 508, 509, 517, 519, 521, 523, 525, 527, 529, 531, 533, 535, 536, 538, 540, 541, 545, 547, 548, 550, 552, 553, 555, 557, 558, 560, 562, 563, 565, 567, 568, 570, 572, 573, 575, 577, 578, 580, 582, 583, 585, 587, 588, 590, 592, 593, 595, 597, 598, 600, 624, 626, 628, 630, 632, 634, 636, 638, 642, 644, 646, 648, 650, 652, 654, 656, 658, 660, 662, 664, 666, 668, 672, 674, 676, 677, 678, 679, 680, 681, 682, 683, 684, 685, 686, 687, 688, 690, 692, 694, 696, 697, 698, 699, 700, 701, 702, 703, 704, 705, 706, 707, 708, 709, 710, 711, 712, 713, 714, 715, 716, 717, 718, 719, 720, 722, 723, 724, 725, 726, 727, 728, 730, 731, 732, 733, 734, 735, 736, 737, 738, 739, 740, 741, 742, 743, 744, 745, 746, 747, 748, 749, 750, 751, 752, 753, 754, 755, 756, 757, 758, 759, 760, 761, 762, 763, 764, 765, 766, 767, 768, 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, 826, 828, 829, 830, 832, 833, 834, 836, 837, 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, 882, 883, 884, 885, 886, 887, 888, 889, 890, 891, 892, 893, 894, 895, 896, 897, 898, 899, 900, 901, 902, 903, 904, 905, 906, 907, 908, 909, 910, 911, 912, 913, 914, 915, 916, 917, 918, 919, 920, 921, 922, 923, 924, 925, 926, 927, 928, 929, 930, 931, 932, 933, 934, 935, 936, 937, 938, 939, 941, 942, 943, 944, 945, 946, 947, 948, 949, 950, 951, 952, 953, 954, 955, 957, 959, 961, 962, 963, 964, 965, 974, 975, 976, 977, A01SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-3

© ATR. All rights reserved. Confidential and proprietary document. MSN (continued) Kit(s) S281026

978, 979, 980, 981, 982, 983, 984, 985, 986, 990, 994, 1000, 1024, 1029, 1036, 1037, 1048, 1050, 1055, 1062 A01

For each aircraft MSN, operator should order the mentioned kit(s).

NOTE 1 : This Service Bulletin is not applicable on aircraft on which modification No. 05948 has been embodied.

NOTE 2 : For aircraft equipped with fuel quantity indicator (FIN 3QT) P/N 748-681-1, accomplishment of this Service Bulletin requires previous or simultaneous accomplishment of Service Bulletin No. ATR72-28-1002 or modification No. 02642.

NOTE 3 : For aircraft equipped with fuel quantity indicator (FIN 3QT) P/N 748-682-1, accomplishment of this Service Bulletin requires previous or simultaneous accomplishment of Service Bulletin No. ATR72-28-1003 or modification No. 02577.
(3) Spares

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

Description Part Number Functional Item Number Status

Fuel Quantity Indicator 748-681-2 3QT Modifiable as per Service Bulletin ZODIAC No. 748465-28-002

Fuel Quantity Indicator 748-682-2 3QT Modifiable as per Service Bulletin ZODIAC No. 748465-28-002

Fuel Quantity Indicator 749-160 3QT Modifiable as per Service Bulletin ZODIAC No. 749158-28-004

Fuel Quantity Indicator 749-161 3QT Modifiable as per Service Bulletin ZODIAC No. 749158-28-004SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-4

© ATR. All rights reserved. Confidential and proprietary document. Description Part Number Functional Item Number Status

Fuel Quantity Indicator 749-759 3QT Modifiable as per Service Bulletin ZODIAC No. 749757-28-005

Fuel Quantity Indicator 749-760 3QT Modifiable as per Service Bulletin ZODIAC No. 749757-28-005

Interchangeability :

Description Old Part Number Interchangeability Code New Part Number

Fuel Quantity Indicator 748-681-2 03 748681-3 Fuel Quantity Indicator 748-682-2 03 748682-3 Fuel Quantity Indicator 749-160 03 749160-1 Fuel Quantity Indicator 749-161 03 749161-1 Fuel Quantity Indicator 749-759 03 749759-1 Fuel Quantity Indicator 749-760 03 749760-1

Interchangeability code according to ATA SPEC 2000.

B. REASON

Purpose of this Service Bulletin is to install Fuel Quantity Indicator (FQI) with modified connector.

COMPLIANCE : Accomplishment of this Service Bulletin is mandatory. An Airworthiness Directive will be issued by EASA.SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-5

© ATR. All rights reserved. Confidential and proprietary document. C. DESCRIPTION

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

(1) On main instrument panel 4VU, replacement of the Fuel Quantity Indicator (FIN 3QT)

(2) On main instrument panel 4VU, replacement of connector (FIN 3QT-B)

D. APPROVAL

The technical content of this document is approved under the authority of DOA No. EASA.21J.044.

E. MANPOWER

Manhours

Mechanic None

Electrician 2

Total manhours 2 Elapsed time (hours) 2

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

MEW : + 0.050 kg (+ 0.11 lb)

Effect on balance: + 0.192 kg.m (+ 16.665 lb.in)SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page PI-6

© ATR. All rights reserved. Confidential and proprietary document. G. REFERENCES

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

AMM (JIC) : 24-40-00 EAD 10000 28-42-81 RAI 10000

Service Bulletins ZODIAC AEROSPACE No. 748465-28-002 No. 749158-28-004 No. 749757-28-005

The following modifications and/or retrofit documents are mentioned on this Service Bulletin:

Modification Retrofit document Title

02577 ATR72-28-1003 FUEL - REPLACE FUEL QUANTITY INDICATOR (IN LBS)

02642 ATR72-28-1002 FUEL - REPLACE FUEL QUANTITY INDICATOR (IN KG)

05948 - NAVIGATION - INSTALL NEW AVIONICS SUITE

H. AFFECTED PUBLICATIONS

(1) Maintenance documentation

The following maintenance manuals will be updated after receipt of the Accomplishment Report by ATR:

IPC : 28-42-80

AWL

(2) Operational documentation

None.SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page MI-1

© ATR. All rights reserved. Confidential and proprietary document. 2. MATERIAL INFORMATION

A. MATERIAL - COST AND AVAILABILITY

(1) Kits

Kits 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 66 99 fax : +33 (0)5 62 21 61 12 e-mail : kits@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 concerned MSN, Service Bulletin reference and kits reference (according to paragraph 1.A.) through ATRactive or to the ATR center it is related to according to its operational area.SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page MI-2

© ATR. All rights reserved. Confidential and proprietary document. (2) Equipment

Equipment 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 above-mentioned addresses.

Or operator should contact the vendor(s) of equipment at the following address(es):

ZODIAC SERVICES 61 RUE PIERRE CURIE B.P. 1 78373 PLAISIR CEDEX FRANCE

Operator should place a purchase order specifying equipment reference through ATRactive or to the ATR center it is related to, according to its operational area, or to the vendor.

B. LIST OF COMPONENTS

Item Part Number Qty Description

Equipment

- 748681-3 1 Fuel Quantity Indicator (FIN 3QT) - 748682-3 1 Fuel Quantity Indicator (FIN 3QT) - 749160-1 1 Fuel Quantity Indicator (FIN 3QT) - 749161-1 1 Fuel Quantity Indicator (FIN 3QT)SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page MI-3

© ATR. All rights reserved. Confidential and proprietary document. Item Part Number Qty Description

Equipment (continued)

- 749759-1 1 Fuel Quantity Indicator (FIN 3QT) - 749760-1 1 Fuel Quantity Indicator (FIN 3QT)

Kit S281026A01

- 799551 1 Kit ZODIAC AEROSPACE

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

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page AI-1

© ATR. All rights reserved. Confidential and proprietary document. 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.

C. MODIFICATION

(1) On main instrument panel 4VU, replacement of the Fuel Quantity Indicator (FIN 3QT)

As per AMM (JIC) 28-42-81 RAI 10000
(a) Remove and install corresponding equipment according to the following table.

REMOVAL INSTALLATION

Item Part Number to be removed* Description Qty Part Number to be installed

- 748-681-2 FQI (FIN 3QT) kg 1 748681-3

or

- 748-682-2 FQI (FIN 3QT) lbs 1 748682-3

or

- 749-160 FQI (FIN 3QT) kg 1 749160-1

or

- 749-161 FQI (FIN 3QT) lbs 1 749161-1

or

- 749-759 FQI (FIN 3QT) kg 1 749759-1

or

- 749-760 FQI (FIN 3QT) lbs 1 749760-1

* Removed equipment can be upgraded. Refer to paragraph 1.A.(3).SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page AI-2

© ATR. All rights reserved. Confidential and proprietary document. (2) On main instrument panel 4VU, replacement of connector (FIN 3QT-B)

(a) 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

- Connector (FIN 3QT-B) E0052R14B19SWF 1 - -

Specific instruction(s) :
Before disconnecting wires from connector, be careful to note the correct location of the wires.

(b) 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

- Connector (FIN 3QT-B) E0052R14B19SYE 1 - -

Specific instruction(s) :

- The aircraft connector (FIN 3QT-B) P/N FDBA56-14-19SYK090-059

is provided in the ZODIAC AEROSPACE kit (P/N 799551). The P/N E0052R14B19SYE is a correspondence with the P/N FDBA56-14-19SYK090-059.

- Accurately connect wires previously disconnected during removal at

paragraph 3.C.(2)(a).SERVICE BULLETIN ATR72

Original issue - Feb 26/13 Service Bulletin No. ATR72-28-1026

Page AI-3

© ATR. All rights reserved. Confidential and proprietary document. D. TESTS

(1) Re-energize the aircraft electrical network and disconnect the aircraft from ground as per AMM (JIC) 24-40-00 EAD 10000.

(2) Perform a test of Fuel Quantity Indicator as per AMM (JIC) 28-42-81 RAI 10000 paragraphs 005 and 006.

E. CLOSE-UP

(1) Clean the working area.