SERVICE BULLETIN 

Date: OCT 11/2012 C16291A-34-007

Page: 1 of 1 

© THALES AVIONICS S.A. 

REVISION TRANSMITTAL SHEET

This sheet transmits Revision 04 to Service Bulletin No. C16291A-34-007. 

REASON FOR REVISION

To update the list of the serial numbers of the ANGLE OF ATTACK SENSOR (AOA) PNR 

C16291AA or PNR C16291AB. 

Modified pages: all pages. 

NOTES: The Service Bulletin is fully re-printed. 

 The letter "R" in the left margin identifies the changes. 

REVISION SEQUENCE

Original: AUG 27/2009 

Revision: 01 – DEC 03/2009 

Revision: 02 – DEC 16/2011 

Revision: 03 – APR 10/2012 

Revision: 04 – OCT 11/2012 

SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Summary Page: 1 of 3 

© THALES AVIONICS S.A. 

SUMMARY OF THE SERVICE BULLETIN

NAVIGATION – ANGLE OF ATTACK SENSOR C16291

INSPECTION OF THE ANGLE OF ATTACK SENSOR

NOTE: This Summary is issued for information only and is not approved by the relevant 

airworthiness authority. 

Effectivity

This Service Bulletin is applicable to the Thales Avionics ANGLE OF ATTACK SENSOR (AOA) 

PNR C16291AA or PNR C16291AB with the Serial Numbers: 

1801, 2153, 2227, 2582, 6673, 7051, 9065, 9391, 9392, 9982, 10551, 12323, 12402, 

Q06747014053, Q06747014076, Q06747014077, Q06747014097, Q06747014103, 

Q06747014104, Q06747014119, Q06747014141, Q06747014146, Q06747014149, 

Q06747014152, Q06747014190, Q06747014195, Q06747014241, Q06747014248, 

Q06747014292, Q06747014305, Q06747014316, Q06747014522, Q06747014523, 

Q06747014532, Q06747014535, Q06747014571, Q06747014578, Q06747014579, 

Q06747014591, Q06747014634, Q06747014741, Q06747014747, Q06747014761, 

Q06747014762, Q06747014763, Q06747014768, Q06747014773, Q06747014775, 

Q06747014940, Q06747014943, Q06747014958, Q06747014960, Q06747014963, 

Q06747014980, Q06747014989, Q06747014992, Q06747014994, Q06747015036, 

Q06747015045, Q06747015047, Q06747015199, Q06747015200, Q06747015211, 

Q06747015213, Q06747015224, Q06747015225, Q06747015235, Q06747015259, 

Q06747015278, Q06747015279, Q06747015281, Q06747015282, Q06747015283, 

Q06747015284, Q06747015285, Q06747015296, Q06747015297, Q06747015310, 

Q06747015312, Q06747015314, Q06747015318, Q06747015320, Q06747015329, 

Q06747015343, Q06747015351, Q06747015358, Q06747015370, Q06747015394, 

Q06747015398, Q06747015399, Q06747015409, Q06747015410, Q06747015441, 

Q06747015449, Q06747015454, Q06747015459, Q06747015464, Q06747015469, 

Q06747015472, Q06747015478, Q06747015491, Q06747015496, Q06747015499, 

Q06747015503, Q06747015508, Q06747015509, Q06747015566, Q06747015567, 

Q06747015612, Q06747015613, Q06747015620, Q06747015677, Q06747015684, 

Q06747015685, Q06747015690, Q06747015692, Q06747015769, Q06747015844, 

Q06747015871, Q06747015886, Q06747015899, Q06747015903, Q06747015917, 

Q06747015941, Q06747015942, Q06747016025, Q06747016036, Q06747016092, 

Q06747016093, Q06747016096, Q06747016183, Q06747016186, Q06747016197, 

Q06747016217, Q06747016262, Q06747016264, Q06747016290, Q06747016295, 

Q06747016342 and Q06747016350. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Summary Page: 2 

© THALES AVIONICS S.A. 

Concurrent Requirements

After application of this Service Bulletin, the accomplishment of the Service Bulletin 

No. C16291A-34-008 is required.

Reason

To prevent from excessive friction torque of the vane.

Description

This Service Bulletin inspects the three resolvers on the angle of attack sensors with the SNRs 

listed in the paragraph Effectivity and replaces only the resolvers which are not identified by a 

prefix A or Z by new resolvers with prefix A or Z.

Compliance

Application of this Service Bulletin is recommended. 

The Service Bulletin will be done by Thales Avionics or its Authorized Repair Stations or by the 

Authorized Operators whatever the reason for the return of the equipment.

Manpower

The estimated time necessary to do the work in this Service Bulletin is 8.50 hours. 

NOTE: This time does not include testing. 

Software Accomplishment Summary

Not applicable.

References

CMM with IPL, ATA No. 34-20-12. 

CMM Standard Practices, ATA No. 20-00-02. 

This Service Bulletin is covered by aircraft Service Bulletin N° A320-34-1452, A330-34-3232, 

A340-34-4239, A340-34-5072. 

Under no circumstances shall the modified equipment, resulting from the application of this 

Service Bulletin, be installed on the aircraft type unless the corresponding modification, and if 

applicable, its aircraft Service Bulletin are approved. 

Material Information

Not Applicable. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Summary Page: 3 

© THALES AVIONICS S.A. 

Change Identification

After the change in this Service Bulletin, the PNR of the ANGLE OF ATTACK SENSOR does not 

change. 

SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 1 of 8 

© THALES AVIONICS S.A. 

RECOMMENDED TECH. DOC.

 Thales Avionics : None 

 AIRBUS Mod. : None 

NAVIGATION – ANGLE OF ATTACK SENSOR C16291

INSPECTION OF THE ANGLE OF ATTACK SENSOR

DEFINITIONS

Operator Airline that operates regular revenue services, with aircraft on which 

the modified equipment is installed. 

Authorized Repair Station Repair Station contractually authorized by Thales Avionics to perform 

various maintenance tasks on Thales Avionics equipment.

Authorized Operator Operator contractually authorized by Thales Avionics to perform in 

house maintenance tasks on equipment under warranty. 

1. Planning Information

A. Effectivity 

This Service Bulletin is applicable to the Thales Avionics ANGLE OF ATTACK SENSOR 

(AOA) PNR C16291AA or PNR C16291AB with the Serial Numbers: 

1801, 2153, 2227, 2582, 6673, 7051, 9065, 9391, 9392, 9982, 10551, 12323, 12402, 

Q06747014053, Q06747014076, Q06747014077, Q06747014097, Q06747014103, 

Q06747014104, Q06747014119, Q06747014141, Q06747014146, Q06747014149, 

Q06747014152, Q06747014190, Q06747014195, Q06747014241, Q06747014248, 

Q06747014292, Q06747014305, Q06747014316, Q06747014522, Q06747014523, 

Q06747014532, Q06747014535, Q06747014571, Q06747014578, Q06747014579, 

Q06747014591, Q06747014634, Q06747014741, Q06747014747, Q06747014761, 

Q06747014762, Q06747014763, Q06747014768, Q06747014773, Q06747014775, 

Q06747014940, Q06747014943, Q06747014958, Q06747014960, Q06747014963, 

Q06747014980, Q06747014989, Q06747014992, Q06747014994, Q06747015036, 

Q06747015045, Q06747015047, Q06747015199, Q06747015200, Q06747015211, 

Q06747015213, Q06747015224, Q06747015225, Q06747015235, Q06747015259, 

Q06747015278, Q06747015279, Q06747015281, Q06747015282, Q06747015283, 

Q06747015284, Q06747015285, Q06747015296, Q06747015297, Q06747015310, 

Q06747015312, Q06747015314, Q06747015318, Q06747015320, Q06747015329, 

Q06747015343, Q06747015351, Q06747015358, Q06747015370, Q06747015394, 

Q06747015398, Q06747015399, Q06747015409, Q06747015410, Q06747015441, 

Q06747015449, Q06747015454, Q06747015459, Q06747015464, Q06747015469, 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 2 

© THALES AVIONICS S.A. 

Q06747015472, Q06747015478, Q06747015491, Q06747015496, Q06747015499, 

Q06747015503, Q06747015508, Q06747015509, Q06747015566, Q06747015567, 

Q06747015612, Q06747015613, Q06747015620, Q06747015677, Q06747015684, 

Q06747015685, Q06747015690, Q06747015692, Q06747015769, Q06747015844, 

Q06747015871, Q06747015886, Q06747015899, Q06747015903, Q06747015917, 

Q06747015941, Q06747015942, Q06747016025, Q06747016036, Q06747016092, 

Q06747016093, Q06747016096, Q06747016183, Q06747016186, Q06747016197, 

Q06747016217, Q06747016262, Q06747016264, Q06747016290, Q06747016295, 

Q06747016342 and Q06747016350. 

B. Concurrent Requirements 

After application of this Service Bulletin, the accomplishment of the Service Bulletin 

No. C16291A-34-008 is required. 

C. Reason 

To prevent from excessive friction torque of the vane. 

D. Description 

This Service Bulletin inspects the three resolvers on the angle of attack sensors with the 

SNRs listed in the paragraph Effectivity and replaces only the resolvers which are not 

identified by a prefix A or Z by new resolvers with prefix A or Z. 

E. Compliance 

Application of this Service Bulletin is recommended. 

The Service Bulletin will be done by Thales Avionics or its Authorized Repair Stations or by 

the Authorized Operators whatever the reason for the return of the equipment. 

F. Approval 

The technical content of this document is approved under the authority of DOA No. 

EASA.21J.031. 

G. Manpower 

The estimated time necessary to do the work in this Service Bulletin is 8.50 hours. 

NOTE: This time does not include testing. 

H. Weight and Balance 

Not Changed. 

I. Electrical Load Data 

Not Changed. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 3 

© THALES AVIONICS S.A. 

J. Software Accomplishment Summary 

Not applicable. 

K. References 

CMM with IPL, ATA No. 34-20-12 Rev.16 dated MAR 10/11. 

CMM Standard Practices, ATA No. 20-00-02. 

This Service Bulletin is covered by aircraft Service Bulletin N° A320-34-1452, A330-34-

3232, A340-34-4239, A340-34-5072. 

Under no circumstances shall the modified equipment, resulting from the application of this 

Service Bulletin, be installed on the aircraft type unless the corresponding modification, 

and if applicable, its aircraft Service Bulletin are approved. 

L. Other Publications Affected 

Not applicable. 

M. Interchangeability or Intermixability of parts 

Not applicable. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 4 

© THALES AVIONICS S.A. 

2. Material information

A. Material - Price and Availability 

Necessary parts are available upon request. 

Price: Varies according to the ordered quantity of resolvers. 

Availability: 90 days after receipt of order. 

Refer to Industry Support Information section for cost effectivity. 

B. Industry Support Information 

(1) Service Bulletin done by Thales Avionics or its Authorized Repair Stations 

The Service Bulletin will be done free of charge to the Operators not later than 51 

months after the original issue date of this Service Bulletin, whatever the reason for 

the return of the equipment. 

After 51 months, the Service Bulletin will be done at the Operator's request and the 

cost will be borne by the Operator. 

(2) Service Bulletin done by an Authorized Operator 

Thales Avionics: 

- Will supply the necessary parts and invoice it to the Operator. 

- Will pay back the cost of the parts and the manhours necessary to do the work in this 

Service Bulletin on receipt of a warranty claim not later than 51 months after the 

original issue date of this Service. 

After 51 months, the parts cost will be borne by the Operators and the manhours will 

not be paid back. 

The application of this Service Bulletin will be part of a retrofit campaign. 

For further information, please contact: 

THALES Avionics 

105, avenue du Général Eisenhower 

BP 63647 

31036 TOULOUSE CEDEX 1 

FRANCE 

Attn: Retrofit Manager 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 5 

© THALES AVIONICS S.A. 

Tel. : 33 5 61 19 76 95 

Fax. : 33 5 61 19 68 20 

e-mail : retrofit@fr.thalesgroup.com 

C. Material Necessary for Each Component 

(1) Material to be Purchased 

Material necessary to modify one equipment: 

New PNR Key Word Old PNR Qty Unit 

Price 

Special 

Instructions/ 

Disposition

. 39277805 . RESOLVER 39277805 As 

requested 

1,125.00 Replaced 

If necessary

. F1317670 . LABEL, INSPECTION F1317654 1 12.05 Replaced 

NOTES: Prices are given in US Dollars and are valid for 2012. 

 Refer to Industry Support Information section for cost effectivity. 

(2) Material Supplied by the Operator 

(a) Standard Material 

Refer to the related sections of the CMM Standard Practices ATA No. 20-00-02. 

(b) Specific Material for this Service Bulletin 

Not applicable. 

D. Material Necessary for Each Spare 

Not applicable. 

E. Reidentified Parts 

Not applicable. 

F. Tooling - Price and Availability 

Not applicable. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 6 

© THALES AVIONICS S.A. 

3. Accomplishment Instructions

A. General 

For a full description of the procedures that follow, refer to the related sections of the CMM 

with IPL ATA No. 34-20-12 and to CMM Standard Practices, ATA No. 20-00-02. 

B. Work to do on the equipment (refer to IPL 34-20-12 figure 1 and figures 1 and 2 of this 

Service Bulletin) 

(1) Do a check of the 3 resolvers PNR 39277805. 

(2) If the resolver PNR 39277805 is identified by a prefix A or Z do not change it. 

(3) If the resolver PNR 39277805 is not identified by a prefix A or Z, replace it by new 

resolver PNR 39277805 identified by a prefix A or Z. 

C. Change Identification 

After the change in this Service Bulletin, the PNR of the ANGLE OF ATTACK SENSOR 

does not change. 

Accomplishment of the inspection is marked by a specific label PNR F1317670 (refer to 

figure 3 of this Service Bulletin). 

D. Testing 

Do a full check of the equipment (refer to the instructions given in the TESTING AND 

FAULT ISOLATION section of the latest revision of CMM ATA No. 34-20-12 applicable to 

the related equipment) and the -55°C resolvers checking given in the Service Bulletin 

No. C16291A-34-008. 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 7 

© THALES AVIONICS S.A. 

4. Appendix

A. Family Tree Charts of Modification Relationships 

This Service Bulletin has no relationship with the other Service Bulletins. 

B. Referenced figures 

Identification Label of a new resolver (prefix is a A) 

Figure 1 

Identification Label of a new resolver (prefix is a Z) 

Figure 2 

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SERVICE BULLETIN 

Date: AUG 27/2009 C16291A-34-007

Rev. : 04 - OCT 11/2012 Page: 8 

© THALES AVIONICS S.A. 

Inspection label position PNR F1317670 

Figure 3 

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