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This document is available on the internet: www.eurocopter.com/techpub 

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EUROCOPTER 

DIRECTION TECHNIQUE SUPPORT

13725 MARIGNANE CEDEX FRANCE

EMERGENCY

ALERT SERVICE BULLETIN 

SUPER PUMA NUMBER VERSIONS 

Civil: C, C1, L, L1, L2 AS 332 67.00.40 Military: B, B1, F1, M, M1 

AS 532 67.00.27 Military: AC, AL, SC, UC, UE, 

UL, A2, U2 

SUBJECT: ROTOR FLIGHT CONTROLS

Main rotor servocontrols: Swaging of attachment ball joints 

REVISION No. DATE OF APPROVAL DATE OF ISSUE

 

Revision 0 On: June 14, 2010 2010.06.15 

 
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1. PLANNING INFORMATION 

1.A. EFFECTIVITY 

1.A.1. Helicopters/installed equipment 

Helicopters equipped with main rotor servocontrols MP/N SC7203-1 or SC7221-1 and identified with 

the Serial Number (S/N) in the appended GOODRICH Service Bulletins No. SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1), and not 

marked with the letter "R" after the Serial Number (S/N). 

NOTE: 

Servocontrols with the letter "R" after the Serial 

Number (S/N) have already been made compliant. 

1.A.2. Non-installed equipment 

Main rotor servocontrols MP/N SC7203-1 or SC7221-1 and identified with the Serial Number (S/N) in 

the appended GOODRICH Service Bulletins No. SC7203-67-31-02 (servocontrols MP/N SC7203-1) or 

No. SC7221-67-39-02 (servocontrols MP/N SC7221-1), and not marked with the letter "R" after the 

Serial Number (S/N). 

NOTE: 

Servocontrols with the letter "R" after the Serial 

Number (S/N) have already been made compliant. 

1.B. ASSOCIATED REQUIREMENTS 

Not applicable. 

1.C. REASON 

To check and restore conformity of the end fitting ball joints of the servocontrols identified in paragraph 

1.A. 

This ALERT SERVICE BULLETIN will form the subject of an EASA Airworthiness Directive. 
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1.D. DESCRIPTION 

EUROCOPTER has been informed of non-compliant swaging of the end fitting ball joints on main rotor 

servocontrols. Two servocontrol production batches have been identified by the equipment 

manufacturer. 

Investigations have revealed that the swaging load applied to the ball joints in these batches was 1.3 

metric tons, instead of the specified 13 metric tons, which could allow the ball joints to slip in service. 

The slipping of the ball joint of the servocontrol upper end fitting can lead to a significant reduction in 

the service life of this end fitting. 

The slipping of the ball joint of the servocontrol lower end fitting does not significantly affect the service 

life of this end fitting. 

Consequently, EUROCOPTER renders the check of the ball joint of the upper end fitting and then the 

return to conformity of the ball joints of both the upper and lower end fittings of the servocontrols 

concerned, mandatory. 

1.E. COMPLIANCE 

EUROCOPTER renders compliance with this ALERT SERVICE BULLETIN mandatory. 

1.E.1. Compliance at the works 

1.E.1.a. Helicopters/installed equipment 

Not applicable. 

1.E.1.b. Non-installed equipment 

Not applicable.
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1.E.2. Compliance in service: By the operator 

1.E.2.a. Helicopters/installed equipment 

Comply with paragraph 2. within 15 flight hours following receipt of this ALERT SERVICE 

BULLETIN, issued on the date indicated at the foot of the page. 

Following compliance with paragraph 2: 

- If the shifting D is more than or equal to 1 mm (.04 in.): 

. If the servocontrol has logged 825 flight hours or more since new (TSN): 

- Replace the servocontrol before resuming flights 

- Return the servocontrol in accordance with the procedure described in paragraph 3.E. 

. If the servocontrol has logged less than 825 flight hours since new (TSN): 

- Flights can be resumed. 

- Replace and return the servocontrol before 825 flight hours have been logged and at the 

latest within 2 years following receipt of this ALERT SERVICE BULLETIN, issued on the 

date indicated at the foot of the page. 

- If the shifting D is less than 1 mm (.04 in.): 

. At the latest within 2 years following receipt of this ALERT SERVICE BULLETIN, issued 

on the date mentioned at the foot of the page, replace and return the servocontrol in 

accordance with paragraph 3.E, or comply with appended GOODRICH Service Bulletin 

No. SC7203-67-31-02 (servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 

(servocontrols MP/N SC7221-1). 

. Pending the return of the servocontrol or compliance with the GOODRICH Service 

Bulletin, periodically check the shifting value D of the ball joint of the upper end fitting 

(compliance with paragraph 2. of this ALERT SERVICE BULLETIN) at intervals not 

exceeding 300 flight hours. 

 If the shifting D is more than or equal to 1 mm (.04 in.): Replace and return the 

servocontrol in accordance with the procedure described in paragraph 3.E. within 525 

flight hours following this check.

1.E.2.b. Non-installed equipment 

Return the servocontrols in accordance with the procedure described in paragraph 3.E. or comply 

with the appended GOODRICH Service Bulletins No. SC7203-67-31-02 (servocontrols MP/N 

SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1), before installation and at the 

latest within 2 years following receipt of this ALERT SERVICE BULLETIN issued on the date 

indicated at the foot of the page. 
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1.F. APPROVAL 

1.F.1. Approval of modifications 

Not applicable. 

1.F.2. Approval of this Service Bulletin 

The technical information contained in this ALERT SERVICE BULLETIN Revision 0 was approved 

on June 14, 2010 under the authority of EASA Design Organisation Approval No. 21J.056 for civil 

version helicopters subject to an Airworthiness Certificate. 

The technical information contained in this ALERT SERVICE BULLETIN Revision 0 was approved 

on June 14, 2010 by the EUROCOPTER Airworthiness Department for military version helicopters. 

1.G. MANPOWER 

1.G.1. Qualification 

EUROCOPTER recommends that compliance with this ALERT SERVICE BULLETIN is ensured by 

personnel qualified as follows: 

Qualifications: 1 mechanic for the check. 

1.G.2. Time for the operations 

The times for the operations are given for information only and for a standard configuration. 

Times for the operations: approximately 30 minutes to check one servocontrol. 

1.H. WEIGHT AND BALANCE 

Not applicable. 

1.I. EFFECT ON ELECTRICAL LOADS 

Not applicable. 

1.J. SOFTWARE MODIFICATION EMBODIMENT RECORD 

Not applicable. 
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1.K. REFERENCES 

The documents required for compliance with this ALERT SERVICE BULLETIN are as follows: 

For AS332 C, C1, L, L1, B, B1, F1, M, M1 and AS532 AC, AL, SC, UC, UE and UL helicopter 

versions: 

Maintenance Manual (MET): Work Card 29.00.00.301: Hydraulic power - General instructions. 

Work Card 67.00.00.301: General instructions. 

For AS332 L2 and AS532 A2 and U2 helicopter versions: 

Maintenance Manual (MMA): Task 29-00-00-611: General and Standard Maintenance Instructions 

Task 67-00-00-611: General instructions. 

1.L. OTHER DOCUMENTS AFFECTED 

Not applicable. 

1.M. TOOLING AFFECTED 

Not applicable. 

1.N. INTERCHANGEABILITY OR MIXABILITY OF PARTS 

Not applicable. 
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2. ACCOMPLISHMENT INSTRUCTIONS 

2.A. GENERAL 

Read and comply with the general hydraulic instructions as per MET Work Card 29.00.00.301 or MMA 

Task 29-00-00-611. 

Read and comply with the general instructions for rotors as per MET Work Card 67.00.00.301 or MMA 

Task 67-00-00-611. 

2.B. OPERATIONAL PROCEDURE 

2.B.1. Preliminary steps 

- Install the access equipment. 

- Open the MGB and sliding cowlings. 

- Install the engine cowling walkways. 

2.B.2. Check of ball joint of upper end fitting. Figure 1 

- For each servocontrol (a) concerned: 

. Measure, using a set of feeler gages, the shifting value D between the outer ring of the ball joint 

(b) and the face (c) of the end fitting. (Detail A, Figure 1) 

- Check the two faces of the upper end fitting of servocontrol (a). 

. Interpret the results according to the instructions in paragraph 1.E.2.a. 

2.B.3. Final steps 

- Remove the engine cowling walkways. 

- Close the MGB and sliding cowlings. 

- Remove the access equipment. 

2.C. IDENTIFICATION 

Record first compliance with this ALERT SERVICE BULLETIN in the aircraft documents. 

2.D. OPERATING AND MAINTENANCE INSTRUCTIONS 

Not applicable. 
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Note: Max. tolerance after swaging D = 0.4 mm (.0157 in) 

Figure 1

a 

b 

D 

b 

c 
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3. MATERIAL INFORMATION 

3.A. MATERIAL: PRICE AND AVAILABILITY 

3.A.1. Cost 

Refer to paragraph 3.B. of the appended GOODRICH Service Bulletins No. SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1). 

3.A.2. Availability 

Refer to paragraph 3.C. of the appended GOODRICH Service Bulletins No. SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1). 

3.B. INFORMATION CONCERNING INDUSTRIAL SUPPORT 

Not applicable. 

3.C. MATERIAL REQUIRED FOR EACH HELICOPTER/ENGINE/COMPONENT 

3.C.1. Kits or components to be ordered for one helicopter or one assembly 

Material P/N Qty Item Keyword Former P/N Instructions

 

SC7203-1 AR - Main rotor servocontrol SC7203-1 

To be returned to 

GOODRICH as per 

paragraph 3.E.

 

SC7221-1 AR - Main rotor servocontrol SC7221-1 

To be returned to 

GOODRICH as per 

paragraph 3.E. 

3.C.2. Material to be ordered separately 

Refer to paragraph 3.A. of the appended GOODRICH Service Bulletins No.SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1). 
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3.C.3. Products to be ordered separately 

The products identified by an asterisk "*" or required for compliance with the Tasks and/or 

Work Cards listed in paragraph 1.K., can be ordered from: 

INTERTURBINE AVIATION LOGISTICS, 

Website: http://www.interturbine.com

Telephone : +49.41.91.809.300 

AOG : +49.41.91.809.444 

3.D. PROCUREMENT CONDITIONS 

Refer to paragraph 3. of the appended GOODRICH Service Bulletins No. SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1). 

3.E. MATERIAL TO BE RETURNED 

Refer to paragraph 3. of the appended GOODRICH Service Bulletins No. SC7203-67-31-02 

(servocontrols MP/N SC7203-1) or No. SC7221-67-39-02 (servocontrols MP/N SC7221-1). 

4. APPENDIX 

GOODRICH Service Bulletin No. SC7203-67-31-02 (valid for servocontrols MP/N SC7203-1) in 

Appendix 1. 

(14 pages) 

GOODRICH Service Bulletin No. SC7221-67-39-02 (valid for servocontrols MP/N SC7221-1) in 

Appendix 2. 

(13 pages) 
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