T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 1/9 

2009.10.19 This document is available on the internet: www.eurocopter.com/techpub 

EUROCOPTER 

DIRECTION TECHNIQUE SUPPORT

13725 MARIGNANE CEDEX FRANCE

EMERGENCY

ALERT SERVICE BULLETIN 

SUPER PUMA NUMBER VERSIONS 

Civil L1, L2 AS332 25.02.20 

AS532 25.01.35 Military U2 

SUBJECT: EQUIPMENT AND FURNISHINGS 

Interference between the pilot’s and copilot’s seat straps and 

bulkhead X1715 

Corresponds to MOD 332V080210.00 

REVISION No. DATE OF APPROVAL DATE OF ISSUE 

 

Revision 0 On: October 19, 2009 2009.10.19 
T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 2/9 

2009.10.19

THE INFORMATION AND INSTRUCTIONS 

CONTAINED IN THIS ALERT SERVICE BULLETIN 

ARE INTENDED FOR MAINTENANCE 

PERSONNEL AND FLIGHT CREWS. 

1. PLANNING INFORMATION 

1.A. EFFECTIVITY 

1.A.1. Helicopters/installed equipment 

Helicopters: 

- on which the "rails with the rear stop moved aft” customization, comprising rail assemblies 

P/N 332P76-9012-02 and/or P/N 332P76-9012-03, has been embodied: 

. at the works, 

or 

. by the operator, in compliance with Service Bulletin No. 25.01.26 (AS532), 

and 

- which do not embody MOD 332V080210.00 

NOTE 1

Rail assemblies P/N 332P76-9012-02 and 332P76-9012-

03 are "standard" type assemblies (Figure 1, Detail A). 

"Crashworthy" type rails (Figure 1, Detail B) are not 

concerned by this ALERT SERVICE BULLETIN. 

NOTE 2

Helicopters equipped with the "rails with the rear stop 

moved aft" customization and which do not embody 

MOD 332V080210.00 can be identified by the position 

of the rear stop relative to the tapped hole (Z) (Figure 2, 

PRE MOD 332V080210.00). 

1.A.2. Non-installed equipment 

Rail assemblies P/N 332P76-9012-02 and P/N 332P76-9012-03 which do not embody 

MOD 332V080210.00. 

1.B. ASSOCIATED REQUIREMENTS 

Not applicable. 

CAUTION 
T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 3/9 

2009.10.19

1.C. REASON 

To prevent jamming of the pilot’s or copilot’s seat strap reels due to interference between the strap 

and bulkhead X1715, when the seat is in the rear high position and the seat-back tilted. 

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

1.D. DESCRIPTION 

During operational tests of the pilot’s and copilot’s seats in the extreme positions at EUROCOPTER, it 

was found that the seat straps interfered with bulkhead X1715. 

These tests revealed that, with the "rails with the rear stop moved aft” customization installed, when 

the seat is in the rear high position and the seat-back fully tilted, there is a risk of the strap jamming 

between the seat and bulkhead X1715, which may prevent the reel from reeling the strap in. This 

situation could result in the strap no longer retaining the crew member in the seat, in the event of a 

crash or a hard landing. 

Consequently, pending modification, EUROCOPTER renders the relocation of the pilot's and copilot's 

seat rear stops in their standard position, mandatory. 

1.E. COMPLIANCE 

 EUROCOPTER renders compliance with this ALERT SERVICE BULLETIN mandatory. 

1.E.1. Compliance at the works 

1.E.1.a. On helicopters 

- Relocate the rear stops of the pilot’s and copilot’s seats in accordance with paragraph 2. within 15 

flying hours following the date of issue of this ALERT SERVICE BULLETIN and before delivery. 

1.E.1.b. On non-installed equipment 

- Rail assemblies P/N 332P76-9012-02 and P/N 332P76-9012-03 of the "rails with the rear stop 

moved aft" customization are no longer supplied. 

1.E.2. Compliance in service: By the operator: 

1.E.2.a. On helicopters/installed equipment 

- Relocate the rear stops of the pilot’s and copilot’s seats in accordance with paragraph 2. within 15 

flying hours following the date of issue of this ALERT SERVICE BULLETIN, indicated at the foot 

of the page, and at the latest by December 31, 2009. 

1.E.2.b. On non-installed equipment 

- Relocate the rear stops of the pilot’s and copilot’s seats in accordance with paragraph 2. before 

installation and at the latest by December 31, 2009. 

 
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1.F. APPROVAL 

1.F.1. Approval of the modifications 

The information or instructions relate to change: MOD 332V080210.00 which was approved 

on October 05, 2009 by the EASA for civil version helicopters subject to an Airworthiness Certificate. 

1.F.2. Approval of the ALERT SERVICE BULLETIN 

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

on October 19, 2009 under the authority of EASA Design Organisation Approval No. 21J.056 for civil 

version helicopters subject to an Airworthiness Certificate. 

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

on October 19, 2009 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 

qualified personnel as follows: 

Qualification: 1 mechanical engineering technician. 

1.G.2. Time for the operations 

The time for the operations is given for information purposes for a standard configuration. 

Time for the operations: approximately 30 minutes. 

1.H. WEIGHT AND BALANCE 

 Not applicable. 

1.I. EFFECT ON ELECTRICAL LOADS 

Not applicable. 

1.J. SOFTWARE MODIFICATION EMBODIMENT RECORD 

Not applicable. 
T.F.S. No. 00000543 

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2009.10.19

1.K. REFERENCES 

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

MTC: 20.02.05.404: Joining - Assembling by bolts and nuts. 

MTC: 20.05.01.222: Sealing compounds used in structural repairs or on transmission assemblies – 

Sealing compound PR 1771 B2. 

MTC: 20.08.05.103: General rules applicable to aircraft - Monitoring of parts in operation, marking and 

service life customization. 

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 instructions as per MTC Work Card 20.02.05.404. 

- Read and comply with the instructions as per MTC Work Card 20.05.01.222. 

- The operational procedure below is applicable to both the rear stop of the pilot’s seat and the rear 

stop of the copilot’s seat. The operations are described for one stop only. 

2.B. OPERATIONAL PROCEDURE 

2.B.1. Relocating the rear stops (Figure 2) 

- If necessary, move the seat to the maximum forward position. 

- On the left rail (d), position the rear stop (a) (Figure 2, PRE MOD 332V080210.00) in the location 

shown on Figure 2, POST MOD 332V080210.00: 

. remove the screw (b) and the washer (c), 

. move the stop (a) forward by one notch (tapped hole (Z)), 

. fit the washer (c) and the screw (b), then tighten the screw. 

- Fill the tapped hole (Y) with sealing compound (1) to make it unusable. 

2.C. IDENTIFICATION 

2.C.1. Identification of the modifications in the documentation 

Record the embodiment of MOD 332V080210.00 and compliance with this ALERT SERVICE 

BULLETIN in the helicopter documents. 

2.C.2. Identification of the modifications on the equipment

Using indelible ink, mark "MOD332V080210.00" on the rail at the rear stop, in accordance with MTC 

Work Card 20.08.05.103. 

2.D. OPERATING AND MAINTENANCE INSTRUCTIONS 

Not applicable. 
T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 7/9 

2009.10.19

Figure 1 - Flight crew seat rails 
T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 8/9 

2009.10.19

Figure 2 - Relocating the rear stops of the pilot’s and copilot’s seats 

Without the "rails with the rear stop moved aft" customization

With the "rails with the rear stop moved aft" customization
T.F.S. No. 00000543 

Approved under EASA DOA No. 21J.056 Page 9/9 

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3. MATERIAL INFORMATION

3.A. MATERIAL: PRICE AND AVAILABILITY 

Not applicable. 

3.B. INFORMATION CONCERNING INDUSTRIAL SUPPORT 

Not applicable. 

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

3.C.1. Kit(s) or component(s) to be ordered for one helicopter or one assembly 

Not applicable. 

3.C.2. Products to be ordered separately 

 Material Part Number Qty Item Key Word 

 

 PR1771B2 AR 1 Sealing compound 

 

The products shown by an asterisk “*” or required for compliance with the Tasks and/or Work Cards 

referenced in paragraph 1.K., can be ordered from the INTERTURBINE Company. 

Website: http://www.itlogistics.de

Telephone: +49.41.91.809.300 

AOG: +49.41.91.809.444 

3.D. PROCUREMENT CONDITIONS 

Not applicable. 

4. APPENDIX 

Not applicable.