ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 1 / 8

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° 94-25-013

ATA system: 25

SUBJECT :



## PASSENGER SEAT ASSEMBLIES – 94XX SERIES

LATERAL AND CENTRAL SPREADERS CHECKING PROCEDURES

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

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 2 / 8

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 25/09/2007 -

1 07/12/2007 Accomplishment instructions: Updated checking procedure and detailed procedures following the ‘decision tre e’. Page 6/8: Added ‘decision tree’.

2 17/12/2007 Page 6/8: Revised ‘decision tree’.

3 07/02/2008 Effectivity: Added 9409 series and corrected minor errors. Reason: Corrected minor errors. Description: Corrected minor errors. Accomplishment instructions: Updated checking procedure and detailed procedures following the ‘decision tre e’. Other publications affected: Added CMM references. Page 6/8: Revised ‘decision tree’.

4 12/02/2008 Effectivity: Added NOTE. Accomplishment instructions: Added NOTE.

# SICMA AERO SEAT

SERVICE BULLETIN

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 3 / 8

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 spreade rs P/N 94-000100-100-1/2, P/N 94-000101- 100-1/2 or P/N 94-000102-100-1/2 and central spread ers P/N 94-000102-200-1/2 or P/N 94- 000103-200-1/2.

NOTE: After implementation of SB 94-25-012, the reinforc ed spreaders don’t need to be inspected anymore.

B - REASON

The purpose of this Service Bulletin is to detail t he checking procedures for potential cracks on both the lateral and central spreaders.

C - DESCRIPTION

The accomplishment instructions of this document de scribes the procedure to:  Follow the checking procedures for potential crack s on both the lateral and central spreaders.

The application of this Service Bulletin involves t he addition of the Modification placard P/N 00-6414 on the seat to indicate that the SB 94-25-0 13 has been completed (see § IDENTIFICATION 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 behalf of the EASA under authority of ADOA ref. AP061.

F - MANPOWER

Estimated time: 10 min. for both lateral and centra l spreaders (checking procedures).

# SICMA AERO SEAT

SERVICE BULLETIN

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 4 / 8

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

Not affected

J - ELECTRICAL DATA

Not affected

K - REFERENCES

None

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

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 5 / 8

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 - Checking procedures of lateral and central spre aders (ref. figures 1 & 2):

1. A detailed visual inspection of the lateral and central spreaders to trace out any eventual cracks at an interval not exceeding 550 flight hour s (FH) shall be performed. Refer to the figures 1 & 2 for potential locations.

A-1 – Decision tree (refer to next page):

1. If no crack noticed on the lateral and central s preaders, the spreaders need to be regularly inspected per the paragraph A, item 1 instructions.

2. On lateral spreader, if crack noticed either on zone ‘A’ or ‘B’ or ‘C’ or on the three zones and if it’s shorter than 8mm, the spreaders need to be reg ularly inspected per the paragraph A, item 1 instructions. Refer to the figure 1 for potential locations.

3. On lateral spreader, if any one of the crack len gth is longer than 8mm, the SB94-25-012 ‘Replace Spreader’ shall be implemented before the next flight.

4. On central spreader, if crack noticed either on zone ‘D’ or ‘E’ or ‘F’ or on the three zones and if it’s shorter than 8mm, the SB94-25-011 ‘Repair Solu tion’ shall be implemented. Refer to the figure 2 for potential locations.

NOTE: After implementation of repair solution, the sprea ders need to be regularly inspected per the paragraph A, item 1 instructions.

5. On central spreader, if any one of the crack len gth is longer than 8mm, the SB94-25-012 ‘Replace Spreader’ shall be implemented before the next flight.

B - Identification (figure 3):

1. Add (or complete) the modification placard P/N 0 0-6414 on each inspected seat to indicate that this SB94-25-013 has been completed.

AMDT SB REF. DATE SB94-25-013 --/--/--

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

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 6 / 8

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 LATERAL SPREADER CENTRAL SPREADER SPREADER CRACK

CRACK LONGER THAN 8 MM CRACK SHORTER THAN 8 MM

SB 94-25-012 REPLACE SPREADER SB 94-25-011 REPAIR SO LUTION SB 94-25-013 CHECKING PROCEDURES

CRACK LONGER THAN 8 MM CRACK SHORTER THAN 8 MM NO

YES



## DECISION TREE NO

# SICMA AERO SEAT

SERVICE BULLETIN

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 7 / 8

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

-

- FIGURE 2

- LATERAL SPREADER

CENTRAL SPREADER

# SICMA AERO SEAT

SERVICE BULLETIN

ISSUE: 4 of 12/02/2008 SB N° : 94-25-013

DATE: 25/09/2007 PAGE: 8 / 8

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. Placard required for a double seat:

Part number Description Qty Notes

PDFILMPP100X65 Transparent Plastic film 1 -

00-6414 modification Placard 1 Figure 3
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 94-25-013 SB 94-25-013 1 TBD 

## - FIGURE 3

-