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 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. 
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, 

A01 
SERVICE 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, 

A01 
SERVICE 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. 749158-28-004

 
SERVICE 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.