# ATR Service Bulletin ATR72-28-1026

Copy: No revision named ("U.S. DOT/FAA - Service Bulletin-28-1026-00"), 16 pages: PDF https://openairdocs.org/files/sha256/c5/c0/c5c0711ad84116a253e2e4c375c5706c9815ebdb9ebc74117831daff9a28d520; text https://openairdocs.org/service-documents/atr/atr72-28-1026/file/c5c0711ad841.md. Rights: © ATR. Filed by the FAA in regulations.gov docket FAA-2013-0624; AD 2013-21-08 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [ATR](https://openairdocs.org/service-documents/atr.md)
- Type: Service bulletin (Service Bulletin)
- Number: ATR72-28-1026
- Page: https://openairdocs.org/service-documents/atr/atr72-28-1026

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2013-21-08](https://openairdocs.org/ad/2013-21-08.md), effective Dec 5, 2013: No revision named

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/atr/atr72-28-1026/proposed.md).

## Text (16 pages)

Rights: © ATR. Filed by the FAA in regulations.gov docket FAA-2013-0624; AD 2013-21-08 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. Each page's text from the PDF; open the PDF at a page with #page=N.

### Page 1

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.

### Page 2

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 -

### Page 3

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:

### Page 4

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:

### Page 5

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

### Page 6

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

### Page 7

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

### Page 8

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.

### Page 9

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)

### Page 10

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.

### Page 11

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.

### Page 12

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)

### Page 13

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.

### Page 14

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).

### Page 15

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 fromRemoval 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).

### Page 16

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.

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