FALCON 50

No 519

FEBRUARY 18, 2011

ALERT

ATA 26-07

FIRE PROTECTION

EXTINGUISHING

CHECK FOR POSSIBLE SWAPPING OF EXTINGUISHING

AND LP BLEED LINES AT FRAME 42

FALCON SERVICE BULLETIN

Copyright © 2011 by Dassault Aviation

All rights reserved. No part of this work may be reproduced or copied

in any form or by any means without written permission

of Dassault Aviation.

207
FIRE PROTECTION

EXTINGUISHING

CHECK FOR POSSIBLE SWAPPING OF EXTINGUISHING AND LP BLEED LINES AT

FRAME 42

Initial issuance February 18, 2011

List of effective pages :

1 to 5

FALCON 50 F50-519

F50-26-07
FIRE PROTECTION

EXTINGUISHING

CHECK FOR POSSIBLE SWAPPING OF EXTINGUISHING AND LP BLEED LINES AT

FRAME 42

1. PLANNING INFORMATION

A. EFFECTIVITY

This Service Bulletin is applicable to MYSTERE-FALCON 50 aircraft with serial numbers 2 through 352.

B. REASON

On two aircraft, during a "C" check, it was discovered that two lines were swapped at their connection

through frame 42. It is highly suspected that the swapping occurred during the S-DUCT replacement a

few months earlier. When the 2 lines are swapped the extinguishing system is not available for engine#2.

The purpose of this Service Bulletin is to perform a visual inspection in order to make sure that these

lines are correctly installed.

C. DESCRIPTION

The operation consists in inspecting the connection of two lines (extinguishing and LP bleed lines) at Fr

42 in rear compartment.

D. COMPLIANCE

Mandatory:

• This Service Bulletin is rendered mandatory by EASA Emergency Airworthiness Directive N°

2011-0025-E.

• As prescribed by the Airworthiness Authorities of the country of registration of the aircraft.

E. APPROVAL

The technical content of this document is approved under the authority of DOA nr. EASA.21J.051.

F. LABOR

Inspection: 0.5 hour

FALCON 50 F50-519

February 18, 2011 F50-26-07

Initial issuance Page 1 / 5

DASSAULT AVIATION Proprietary Data
G. MATERIAL - PRICE AND AVAILABILITY

Western hemisphere: DASSAULT FALCON JET CORP.

SPARES DISTRIBUTION CENTER

200 RISER ROAD

LITTLE FERRY, NJ 07643 U.S.A.

Telephone:

• CANADA and U.S.A.: 1-800-800-4036

• MEXICO: 001-800-800-4036

• Other countries: 1-201-541-4809

Fax:

• CANADA and U.S.A.: 1-800-800-4817

• MEXICO: 001-800-800-4817

• Other countries: 1-201-440-7021

Other continents: DASSAULT AVIATION

Falcon Spares

BOITE POSTALE N°101

AEROPORT DU BOURGET

93350 - LE BOURGET Cedex (FRANCE)

Please contact your Dassault Aviation

Account Representative

Telephone: 33 (0)1.48.35.56.78

Fax: 33 (0)1.48.35.56.00

Price and availability on request.

H. TOOLING - PRICE AND AVAILABILITY

Normal maintenance tooling.

I. WEIGHT AND BALANCE

Change in weight: None.

Change in balance with respect to 25% MAC: None.

J. REFERENCES

Standard Practices:

• procedure 20-000

Maintenance Manual:

• procedure 26-202

FALCON 50 F50-519

February 18, 2011 F50-26-07

Initial issuance Page 2 / 5

DASSAULT AVIATION Proprietary Data
2. ACCOMPLISHMENT INSTRUCTIONS

A. PRELIMINARY STEPS

(1) The aircraft must be in the maintenance configuration (refer to Standard Practices, procedure

20-000).

B. PROCEDURE

(1) In the rear compartment, perform a visual inspection of the engine#2 LP bleed line (F50B723102)

and extinguishing line (F50B791203) connected at Fr 42 (Refer to fig. 1):

Check that the extinguishing line (not insulated) is connected to the union located on the S-duct

side and that the LP bleed line (insulated) is connected to the union located on the fuselage side.

NOTE: Refer to the routing of each line to be sure to choose the appropriate line.

(a) If the lines are not swapped, return the aircraft to service.

(b) If the lines are swapped:

• Inspect the lines for deformation. Replace as necessary.

• Restore correct connection of the lines as shown on fig. 1.

• Check the correct connection of engine#2 extinguishing lines (lines B) in accordance with

procedure 26-202 .

(2) Using the card located at the end of the Service Bulletin, or, the reply form located on the portal,

report the inspection results to Dassault Aviation.

C. RECORDING

Record compliance with this Service Bulletin in the appropriate aircraft documents.

Fill out the card located at the end of the Service Bulletin and mail or fax it to Dassault Aviation or Dassault

Falcon Jet.

FALCON 50 F50-519

February 18, 2011 F50-26-07

Initial issuance Page 3 / 5

DASSAULT AVIATION Proprietary Data
3. MATERIAL INFORMATION

None.

FALCON 50 F50-519

February 18, 2011 F50-26-07

Initial issuance Page 4 / 5

DASSAULT AVIATION Proprietary Data
Figure 1: Rear compartment - Visual inspection at Fr42, LH side

END OF DOCUMENT

FALCON 50 F50-519

February 18, 2011 F50-26-07

Initial issuance Page 5 / 5

DASSAULT AVIATION Proprietary Data

SERVICE BULLETINS COMPLIANCE FALCON 50 A/C S/N

DASSAULT AVIATION Number ATA Number

F50 519 F50 26 07 Coding: C complete compliance

T partial compliance

Performed by:

Remarks: Initial issuance Date: Signature:

SERVICE BULLETINS COMPLIANCE

Would you be kind enough to inform us that this Service Bulletin is complied with:

- For "Western Hemisphere", mail upper card (No postage necessary if mailed in the U.S.A.) or fax to Dassault Falcon Jet: 1-201-541-4700.

- For "Other Continents", mail card herebelow or fax to Dassault Aviation: 33 (0)1.47.11.65.21.

On the occasion, if other Service Bulletins have been simultaneously complied with could you complete the blank spaces provided for this

purpose.

APPLICATION DE BULLETINS DE SERVICE

Lorsque vous aurez applique ce Bulletin de Service sur votre avion, veuillez avoir l'amabilite de nous en informer:

- Utiliser la carte reponse superieure pour continent americain (Dispensee de timbrage pour postage depuis les U.S.A.) ou le fax pour Dassault

Falcon Jet : 1-201-541-4700.

- Ou la carte reponse inferieure pour autres continents ou le fax pour Dassault Aviation : 33 (0)1.47.11.65.21.

Eventuellement, si d'autres Bulletins de Service ont ete appliques simultanement, vous pouvez les mentionner dans les cases vierges prevues

a cet effet.

APPLICATION DES BULLETINS DE SERVICE

SERVICE BULLETINS COMPLIANCE FALCON 50 A/C S/N

DASSAULT AVIATION Number

Numero DASSAULT AVIATION

ATA Number

Numero ATA

F50 519 F50 26 07 Coding: C

complete compliance

application totale

T

partial compliance

application partielle

Performed by:

Fait par:

Remarks: Initial issuance Date: Signature:

Remarques: Edition originale