DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 1 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00



# SICMA AERO SEAT

SERVICE BULLETIN

N° 94-25-011

ATA system: 25

SUBJECT :



## PASSENGER SEAT ASSEMBLIES – 94XX SERIES

CENTRAL SPREADER REPAIR SOLUTION

Q. GOVINDAPOULLE P. DOUSSET D. BARDET Technical Support Eng. Product Support Mgr. Qualit y Director

The technical content of this document is approved on the behalf of the EASA under authority of ADOA ref. AP061.

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 2 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 

## INDEX OF REVISION

Revision Date Description of revision

NEW 19/04/2007 -

1 15/05/2007 Title change. Effectivity: Added lateral spreader P/Ns. Reason: Added checking procedures for lateral and central spreaders. Description: Added ‘to follow the checking procedures for both lateral and central spreaders’. Manpower: Added estimated time to implement the checking procedures for both lateral and central spreaders. Accomplishment instruction: Added ‘checking procedures’. Added 2 figures on page 8 and changed the figure nu mbers in the ‘replacement procedures’ and consequently on all pages. Material information: Rectified the figure numbers.

2 06/11/2007 1/ Title change. 2/ Deleted the checking procedures from the related chapters. 3/ Description: Added NOTE. 4/ Deleted the first figure on page 7/10. In conseq uence, figure 2 becomes figure 1, etc... and the same in the chapter ‘accomplishment instructions’.

3 30/06/2008 Effectivity: Added 9409 series Manpower: Updated the SB implementation duration Other publications affected: Added ATA code for 9409 series

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 3 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 

## 1/ PLANNING INFORMATION

A – EFFECTIVITY

This Service Bulletin is applicable to passenger ST D seat series 9401, 9402, 9404, 9405, 9406, 9407, 9408 & 9409 equipped with the lateral spreaders P/N 94-000100- 100-1/2, P/N 94-000101- 100-1/2 & P/N 94-000102-100-1/2 and central spreade rs P/N 94-000102-200-1 or 2 & P/N 94- 000103-200-1 or 2.

B - REASON

The purpose of this Service Bulletin is to detail t he repair procedure to be implemented on a cracked central spreader in order to keep the seat navigable.

C - DESCRIPTION

The accomplishment instructions of this document de scribes the procedure to:  Install the spacer for the superior reinforcement plate P/N 94-000100-001-0.  Install the reinforcement plate P/N 94-000100-060- 0 under the cracked central spreader.  Install the modification placard P/N 00-6414.

NOTE: This SB is only applicable for the spreaders inspe cted according to the SB94-25-013 and on which the crack doesn’t touch the thin wall of the spreader.

The application of this Service Bulletin involves t he addition of the Modification placard P/N 00-6414 on the seat by mentioning “Z44” in the amen dment box “AMDT” to indicate that the SB 94-25-011 has been completed (see § IDENTIFICATI ON of this S/B).

D - COMPLIANCE

The application of this Service Bulletin is Mandatory.

E - APPROVAL

The technical content of this document is approved on the behalf of the EASA under authority of DOA ref

. AP061.

F - MANPOWER

Estimated time: 30 min . per central spreader.

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 4 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 G - MATERIAL – Cost and availability

The necessary parts will be supplied by :

SICMA AERO SEAT Spare parts department Z.I. la Limoise rue Robert MARECHAL Sénior 36100 ISSOUDUN – France Tel.: 33 (0) 2 54 03 39 39 - Fax: 33 (0) 2 54 03 39 00

H - TOOLING and MATERIAL – Cost and availability

No special tooling is required

I - WEIGHT and BALANCE

The seat weight will increase of 73 gr.

J - ELECTRICAL DATA

Not affected

K - REFERENCES

Drawing P/N 00-7210 EDS N° 002-07 Rev: /

L - OTHER PUBLICATIONS AFFECTED

25-27-03 (9401 series) 25-27-52 (9402 series) 25-27-78 (9404 series) 25-27-75 (9405 series) 25-27-93 (9406 series) 25-28-15 (9407 series) 25-28-49 (9408 series) 25-01-27 (9409 series)

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 5 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 

## 2/ ACCOMPLISHMENT INSTRUCTIONS

A - Procedure to install the spacer for the superio r reinforcement plate (ref. figures 1 & 2):

1. Remove the bottom cushion assy and then the bott om sheet assy (item 220, figure 1) from the seat structure.

2. Remove both the pocket assy (item 230, figure 1 ) from the seat structure.

3. Unscrew the screws (item 50, figure 1 ) and the nuts (item 60, figure 1) to remove the reinforcement plate from the spreader.

4. Install the spacer P/N 94-000500-001-0 in the ho le as shown in figure 2. Reinstall the reinforcement plate with the removed screws, spacer s and nuts.

B - Procedure to install the inferior reinforcement plate (ref. figures 1, 3, 4 & 5):

1. Install the insert P/N 8-32-TC-L-2-5 in the hole as shown in figure 3.

2. Unscrew to remove the screw (item 7, figure 4) a nd the nut (item 8, figure 4). Recover the spacer (item 6, figure 5) and discard the plate (it em 5, figure 4).

3. Insert the correct side of the reinforcement pla te in the place of the plate (item 5, figure 4). Install the other end on the front of the spreader with the spacer P/N ROAN960416 and the screw P/N VIAN525832R8 as shown on figure 3.

4. Reinstall the screw (item 7, figure 4) with the spacer (item 6, figure 4) and the nut (item 8, figure 4) to tighten the assembly.

5. Trace the center line with a scale end by passin g on the center spreader. From the end of the spreader, measure 9,5mm towards the interior to det ermine the center point.

6. At the center of the rear beam and spreader asse mbly, make a hole with a drill bit 6.5mm to install a pop rivet P/N TLPD850BS by following the figure 5.

7. Reinstall the pocket assy (item 230, figure 1) o n the seat structure.

8. Reinstall the bottom sheet assy (item 220, figur e 1) and then the bottom cushion assy on the seat structure to restore the seat to it’s normal p osition.

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 6 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 C - Identification (figure 6):

1. Add (or complete) the modification placard P/N 0 0-6414 on each modified seat to indicate that this SB94-25-011 and it’s revisions has been completed.

2. Fill the amendment box “AMDT” with the mention “Z44” using an indelible marker.

AMDT SB REF. DATE Z44 SB94-25-011 --/--/--

NOTE: The placard P/N 00-6414 should be installed n ear the seat identification placard.

NOTE : Stick the transparent plastic film P/N PDFIL MPP100X65 on the modification placard in order to protect it.

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 7 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 

## - FIGURE 1

-

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 8 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 NUT P/N 22NKTM82



## - FIGURE 2

- SPACER P/N 94

- 000500

- 001

- 0 REINFORCEMENT P/N 94

- 000100

- 001

- 0

SCREW P/N NAS602

- 18

SPACER P/N NAS1149FN832P



## - FIGURE 3

- POP RIVET P/N TLPD850BS REINFORCEMENT P/N 94

- 000100

- 060

- 0 SCREW P/N VIAN525832R8 SPACER P/N ROAN960416 INSERT P/N 8

- 32

- TC

- L

- 2

- 5 EXISTING REINFORCEMENT PLATE INSTALLED

REINFORCEMENT PLATE TO BE

INSTALL ED

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 9 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 

## - FIGURE 4

-

- FIGURE 5

- 19mm POP RIVET P/N TLPD850BS

# SICMA AERO SEAT

SERVICE BULLETIN

DATE OF REVISION 3: 30/06/2008 SB N° : 94-25-011

DATE OF FIRST RELEASE: 19/04/2007 PAGE: 10 / 10

SB – Form CE 025 – 10/93

Rue Robert Marechal Sénior – Z.I.La limoise - 36100 ISSOUDUN, FRANCE TELEPHONE: 33 (0) 2 54 03 39 39 FAX: 33 (0) 2 54 03 39 00 Modification Placard P/N 00-6414



## 3/ MATERIAL INFORMATION

1. Parts required for a double seat:

Part number Description Qty Notes

94-000500-001-0 Spacer 1 Figure 2

8-32-TC-L-2-5 Insert 1 Figure 3

ROAN960416 Spacer 1 Figure 3

94-000100-060-0 Reinforcement plate 1 Figure 3

VIAN525832R8 Screw 1 Figure 3

TLPD850BS Pop rivet 1 Figure 3

PDFILMPP100X65 Transparent Plastic film 1 -

00-6414 modification Placard 1 Figure 6 The prices mentioned below are valid for the dispatch year of this document. Prices are revised each Jan 1 st .These will then be used to respond to a request for quotation Qty Price

SB 94-25-011 KIT SB 94-25-011 1 TBD 

## - FIGURE 6

-