# ATR Service Bulletin ATR72-31-1118

Copy: Revision 1 ("SB ATR72-31-1118_R01"), 14 pages: PDF https://openairdocs.org/files/sha256/f7/db/f7dbe2c20162bdd852b7388d817d69a5649e852931f523ebcb756f592b805618; text https://openairdocs.org/service-documents/atr/atr72-31-1118/file/f7dbe2c20162.md. Rights: © ATR. Filed by the FAA in regulations.gov docket FAA-2023-0012, the docket of AD 2023-06-01. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [ATR](https://openairdocs.org/service-documents/atr.md)
- Type: Service bulletin (Service Bulletin)
- Number: ATR72-31-1118
- Latest revision known: ATR72-31-1118, Revision 1 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/atr/atr72-31-1118

## Text (14 pages)

Rights: © ATR. Filed by the FAA in regulations.gov docket FAA-2023-0012, the docket of AD 2023-06-01. 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   
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page TS-1 of TS-3 
 
 
TRANSMITTAL SHEET 
Revision No. 01 
This page transmits Revision No. 01 of Service Bulletin No. ATR72-31-1118. 
General information concerning this document is available in Service Letter No. ATR72-00-6005. 
TITLE: Indicating/Recording systems - New Avionics Suite - Installation of standard 
2.2 software 
 
 
 
 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 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
 Page TS-2 of TS-3 
 ATR. All rights reserved. Confidential and proprietary document. 
 
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 equipment already delivered remain valid. 
 
2 – TECHNICAL IMPACT ON REVISED PAGES 
Layout changes due to computerization of this revision are not identified. 
Page PI-3 - Para. 1.D., sentence updated. 
Page PI-5 - Para. 1.H.(2), Operational documentation QRH added. 
Page MI-2 - Para. 2.A.(1), sentences and address deleted. 
 
3 – TABLE OF CONTENTS  
TRANSMITTAL SHEET ................................................................................. Page TS-1 to TS-3 
ACCOMPLISHMENT REPORT ..................................................................... Page AR-1 to AR-1 
PLANNING INFORMATION ............................................................................. Page PI-1 to PI-5 
MATERIAL INFORMATION ............................................................................ Page MI-1 to MI-2 
ACCOMPLISHMENT INSTRUCTIONS ............................................................ Page AI-1 to AI-3 
ILLUSTRATIONS ................................................................................................................ None

### Page 3

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
 Page TS-3 of TS-3 
 ATR. All rights reserved. Confidential and proprietary document. 
 
4 – REVISION SEQUENCES  
 
Issue or Revision Date Additional work 
   
Original issue Sep 04/19 - 
Revision No. 01 Dec 12/19 No

### Page 4

SERVICE BULLETIN ATR72   
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page AR-1 
 ATR. All rights reserved. Confidential and proprietary document. 
 
ACCOMPLISHMENT REPORT  
SERVICE BULLETIN No. ATR72-31-1118 
Revision No. 01 
TITLE: Indicating/Recording systems - New Avionics Suite - Installation of standard 
2.2 software 
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: 
Flight cycles: 
Flight hours: 
 
Accomplishment date of this Service Bulletin: 
 
 
Maintenance organisation identification 
Maintenance organisation name: 
Name & Signature: 
Date:

### Page 5

SERVICE BULLETIN ATR72 
  
 
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page PI-1  
 ATR. All rights reserved. Confidential and proprietary document. 
 
COMPLIANCE:  RECOMMENDED    MODIFICATION: 08866 L3340 
 
TITLE: Indicating/Recording systems - New Avionics Suite - Installation of standard 
2.2 software 
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 
NO NO NO NO NO NO YES 
 
(2) Aircraft 
MSN Kit(s) 
940, 958, 960, 966, 967, 968, 969, 970, 971, 
972, 987, 988, 989, 991, 992, 993, 995, 996, 
997, 998, 999, 1020, 1021, 1022, 1023, 1025, 
1026, 1027, 1028, 1030, 1031, 1032, 1033, 
1034, 1035, 1038, 1039, 1040, 1041, 1042, 
1043, 1044, 1045, 1046, 1047, 1049, 1052, 
1053, 1054, 1056, 1057, 1058, 1059, 1060, 
1061, 1063, 1064, 1066, 1067, 1068, 1069, 
1070, 1072, 1073, 1074, 1075, 1076, 1077, 
1078, 1079, 1080, 1081, 1082, 1083, 1085, 
1086, 1087, 1088, 1089, 1090, 1091, 1092, 
1093, 1094, 1095, 1096, 1097, 1098, 1099, 
1100, 1101, 1102, 1103, 1104, 1105, 1106,  
None

### Page 6

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page PI-2  
 ATR. All rights reserved. Confidential and proprietary document. 
 
MSN (continued) Kit(s) 
1107, 1108, 1109, 1110, 1111, 1112, 1113, 
1114, 1115, 1116, 1118, 1119, 1120, 1121, 
1122, 1123, 1124, 1125, 1126, 1127, 1128, 
1129, 1130, 1131, 1132, 1133, 1134, 1135, 
1136, 1137, 1138, 1139, 1140, 1142, 1143, 
1144, 1145, 1146, 1147, 1148, 1149, 1150, 
1151, 1152, 1153, 1154, 1155, 1156, 1158, 
1159, 1160, 1161, 1162, 1163, 1164, 1165, 
1166, 1167, 1168, 1169, 1170, 1171, 1172, 
1173, 1174, 1175, 1176, 1177, 1178, 1179, 
1180, 1181, 1183, 1184, 1185, 1186, 1187, 
1188, 1189, 1190, 1191, 1193, 1194, 1195, 
1196, 1197, 1198, 1199, 1200, 1220, 1221, 
1222, 1223, 1224, 1225, 1226, 1227, 1229, 
1230, 1231, 1232, 1233, 1235, 1236, 1237, 
1238, 1239, 1240, 1241, 1242, 1243, 1244, 
1245, 1246, 1247, 1248, 1249, 1250, 1251, 
1252, 1253, 1254, 1256, 1257, 1258, 1259, 
1260, 1261, 1262, 1263, 1265, 1266, 1267, 
1268, 1269, 1270, 1271, 1272, 1273, 1274, 
1275, 1276, 1277, 1278, 1279, 1280, 1281, 
1282, 1283, 1284, 1285, 1286, 1287, 1288, 
1290, 1291, 1292, 1294, 1295, 1296, 1297, 
1298, 1300, 1301, 1302, 1303, 1305, 1307, 
1308, 1309, 1310, 1311, 1312, 1313, 1314, 
1315, 1316, 1317, 1318, 1320, 1321, 1322, 
1323, 1324, 1325, 1326, 1327, 1329, 1331, 
1332, 1333, 1334, 1335, 1336, 1337, 1338, 
1339, 1340, 1341, 1342, 1343, 1344, 1345, 
1347, 1348, 1349, 1351, 1352, 1354, 1356, 
1357, 1358, 1359, 1360, 1361, 1362, 1363, 
1364, 1365, 1366, 1367, 1368, 1369, 1370, 
1371, 1372, 1373, 1374, 1375, 1377, 1378, 
1379, 1381, 1382, 1383, 1384, 1385, 1386, 
1388, 1389, 1390, 1391, 1392, 1393, 1394, 
1395, 1396, 1397, 1398, 1399, 1400, 1420, 
1421, 1422, 1423, 1424, 1426, 1427, 1428, 
1429, 1430, 1431, 1432, 1434, 1435, 1436, 
1438, 1439, 1440, 1441, 1442, 1443, 1445, 
1446, 1447, 1449, 1450, 1452, 1453, 1454, 
1456, 1457, 1458, 1461, 1462, 1463, 1464, 
1465, 1466, 1467, 1468, 1469, 1470, 1471, 
1474, 1475, 1476, 1477, 1478 
None

### Page 7

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page PI-3  
 ATR. All rights reserved. Confidential and proprietary document. 
 
For each aircraft MSN, operator should order the mentioned kit(s). 
Other parts or equipment could be required for embodiment of this Service Bulletin. 
Please refer to chapter "MATERIAL INFORMATION" for details. 
NOTE 1: This Service Bulletin is applicable only on aircraft on which modification 
No. 07364 or Service Bulletin No. ATR72-31-1096 has been embodied. 
NOTE 2: This Service Bulletin is not applicable on aircraft on which modification 
No. 07474 or Service Bulletin No. ATR72-31-1107 has been embodied. 
(3) Spares 
The following stock items are modifiable (or not) according to the table below. 
None. 
B. REASON 
The aim of this Service Bulletin is to install the NAS standard 2.2 software and Electronic 
Check List (ECL) Version V27. 
Embodiment of this Service Bulletin: 
- Deselects SBAS GPS mode except for aircraft equipped with LPV function 
- Cancels OEB No. 36: Bank angle limitation in severe icing conditions. 
COMPLIANCE: Accomplishment of this Service Bulletin is recommended by ATR. 
C. DESCRIPTION 
Accomplishment of this Service Bulletin consists in carrying out the following jobs: 
(1) In zone 210, replacement of Integrated Avionics Display (IAD) software 
(2) On 81VU and 82VU shelves, replacement of Flight Warning Main Conﬁguration File 
(FWMCF) software 
D. APPROVAL 
The technical content of this document (Rev. No. 01) is approved under the authority of  
DOA ref. EASA.21J.044.

### Page 8

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page PI-4  
 ATR. All rights reserved. Confidential and proprietary document. 
 
E. MANPOWER 
 Manhours 
Mechanic  None 
Electrician 1 
Total manhours 1 
Elapsed time (hours) 1 
 
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 (JIC) : 45-11-00 LDG 10010 
45-11-00 LDG 10050 
    
       
The following modifications and/or retrofit documents are mentioned on this Service 
Bulletin: 
Modification Retrofit document Title 
   
07364 ATR72-31-1096 Indicating/Recording systems - New Avionics Suite - Installation of standard 2.1 software 
07474 ATR72-31-1107 Indicating/Recording systems - New Avionics Suite - Installation of standard 3 software

### Page 9

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page PI-5  
 ATR. All rights reserved. Confidential and proprietary document. 
 
H. AFFECTED PUBLICATIONS 
(1) Maintenance documentation 
The following maintenance manuals will be updated after receipt of the 
Accomplishment Report by ATR: 
AWL   
   
IPC : 31-63 
42-11 
   
(2) Operational documentation 
The following operational manuals are impacted. 
Operators should verify the List of Modifications (LOM) of these manuals to verify that 
the modification No. 08866 is mentioned. 
AFM : The EASA AFM revision is approved. In case of specific AFM issued for a 
local Authority, the operator must make sure the corresponding AFM revision 
has been approved by its local Authority. 
   
FCOM   
   
QRH

### Page 10

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page MI-1 
 ATR. All rights reserved. Confidential and proprietary document. 
 
2. MATERIAL INFORMATION 
A. MATERIAL - COST AND AVAILABILITY 
(1) 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 
e-mail : spares.toulouse@atr-aircraft.com 
 
Or operator should contact the ATR center it is related to, according to its operational 
area, at the following addresses: 
ATR Americas, Inc. 
4355 NW 36th St. 
Miami Springs, FL 33166 
USA 
phone : +1 (305) 704 9809 
fax : +1 (305) 704 9806 
e-mail : commercial.services.miami@atr-aircraft.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.singapore@atr-aircraft.com

### Page 11

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page MI-2 
 ATR. All rights reserved. Confidential and proprietary document. 
 
B. LIST OF COMPONENTS 
Item Part Number Qty Description 
    
 Equipment   
    
- F1424357 1 FWMCF software V27 (FIN 1TF1SW3 
and 1TF2SW3) 
- F1601007 1 IAD software (FIN 1WK1SW1, 
1WK2SW1, 2WKSW1, 3WK1SW1 and 
3WK2SW1) 
    
C. LIST OF MATERIALS - OPERATOR SUPPLIED 
None. 
D. SPECIAL TOOLS 
Accomplishment of this Service Bulletin requires use of the following special tools: 
None.

### Page 12

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  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 
None. 
C. MODIFICATION 
(1) In zone 210, replacement of Integrated Avionics Display (IAD) software 
As per AMM (JIC) 45-11-00 LDG 10010, load IAD software on the five IAD using 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 
      
- 
IAD software  
(FIN 1WK1SW1, 
1WK2SW1, 2WKSW1, 
3WK1SW1 and 
3WK2SW1) 
F1601007 1 - - 
      
 
Specific instruction(s): 
After loading the new IAD software, discard the old CD-ROM version.

### Page 13

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page AI-2 
 ATR. All rights reserved. Confidential and proprietary document. 
 
(2) On 81VU and 82VU shelves, replacement of Flight Warning Main Conﬁguration File 
(FWMCF) software 
As per AMM (JIC) 45-11-00 LDG 10050, load FWMCF software on the two CPM 
using 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 
      
- 
FWMCF software V27 
(FIN 1TF1SW3 and 
1TF2SW3) 
F1424357 1 - - 
      
 
Specific instruction(s): 
After loading the new FWMCF software, discard the old CD-ROM version. 
D. TESTS 
NOTE: To change page on MCDU, use "NEXT" pushbutton. 
(1) On MCDU, menu "ACMS", select "AVS" then "LRU IDENT" then "CAC" then "CPM". 
(2) Verify for CPM1 and CPM2 that: 
CSW P/N is : K4018AAB01 
MCCT P/N is : G6041AAG01 
FWMCF P/N is : G2868AAG06 
CMFT P/N is : G2912AAD03 
CMA SW P/N is : G2874AAD03 
AFCA SW P/N is : G2865AAG02 
DCA SW P/N is : G2875AAG01 
FWA SW P/N is : G2867AAH02 
(3) Select "RETURN" twice then "LRU IDENT" then "DU".

### Page 14

SERVICE BULLETIN ATR72 
  
Revision No. 01 - Dec 12/19 Service Bulletin No. ATR72-31-1118 
 
  Page AI-3 
 ATR. All rights reserved. Confidential and proprietary document. 
 
(4) Verify for DU1, DU2, DU3, DU4 and DU5 that: 
IAD SW P/N is : G7955AAL07 
FMPDB42 P/N is : K7704AAD01 
FMPDB72 P/N is : G6458AAD01 
FMSC42 P/N is : K7705AAE01 
FMSC72 P/N is : G6456AAE01 
(5) Configure each display unit as following: 
- On Captain side: 
. DU#1 : PFD 
. DU#2 : MFD 
- On F/O side: 
. DU#3 : EWD 
. DU#4 : MFD 
. DU#5 : PFD 
(6) On each display unit check that: 
- No abnormal behaviour at power ON. 
- No cross is displayed. 
- Displayed information is consistent with current aircraft conﬁguration. 
(7) For DU#2 (respectively DU#4), cycle through all MFD formats (ND, SYS, PERF…) by 
using the EFCP-Left (respectively EFCP-Right) pushbuttons, and make sure that no 
indication is displayed in contradiction with the overhead panel (invalid or flagged 
data). 
(8) For DU#2 (respectively DU#4), use the "PFD/EWD/MFD" pushbutton on CAPT 
(respectively F/O) side, and check that the display is manually reconfigured in the 
three different formats. 
E. CLOSE-UP 
None.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.
