Dassault SB F2000-457: No revision named, text

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Page 1Open in PDF

FALCON 2000 No 457 APRIL 13, 2022

MANDATORY ATA 32-39

LANDING GEAR

BRAKE CONTROL SYSTEM

IDENTIFICATION OF BRAKE SERVOLVALVES P/N C20103510-1 AND RECONFIGURATION OF THE

INSTALLATION

FALCON SERVICE BULLETIN Copyright © 2022 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.

Page 2Open in PDF

LANDING GEAR

BRAKE CONTROL SYSTEM IDENTIFICATION OF BRAKE SERVOLVALVES P/N C20103510-1 AND

RECONFIGURATION OF THE INSTALLATION Initial issuance April 13, 2022 List of effective pages:

1 to 7 FALCON 2000 F2000 -457 F2000 -32-39

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LANDING GEAR

BRAKE CONTROL SYSTEM IDENTIFICATION OF BRAKE SERVOLVALVES P/N C20103510-1 AND

RECONFIGURATION OF THE INSTALLATION

1. PLANNING INFORMATION A. EFFECTIVITY CAUTION: THIS SERVICE BULLETIN IS NOT APPLICABLE IN THE FOLLOWING CASES:

• THERE ARE NO BRAKE SERVOVALVES LISTED IN THE TABLE BELOW,

• THERE ARE BRAKE SERVOVALVES LISTED IN THE TABLE BELOW, BUT THEY HAVE “C20103-32-077” WRITTEN ON THEIR IDENTIFICATION PLATE (FIG. 1).

This Service Bulletin is applicable to FALCON 2000 aircraft with serial numbers 1 thru 231 that are equipped with at least one brake servovalve P/N C20103510-1 having the following serial numbers, without "C20103-32-077" written on the identification plate (fig. 1):

00052 00100 00156 00251 00261 00380 00389 00421 00620 00658 00659 00738 00741 00795 00801 00821 00999 01000 01037 01042 01064 01072 01087 01088 01089 01141 01142 01177 01184 01228 01232 01248 01319 01339 01340 01343 01358 01359 01363 01368 01371 01385 01401 01414 01415 01416 01431 01461 01473 01490 01515 01518 01533 01599 01620 01708 01766 01767 01768 01769 01850 01930 01940 02065 02130 02176 02181 02207 02297 02332 02336 02536 02616 02645 02805 02806 02807 02808 02809 02810 02811 02812 02832 02833 02834 02835 02836 02851 02852 02853 B. REASON A batch of brake servovalves has been identified with an internal oil type which does not meet the manufacturer’s cold temperature specifications.

This non-conformity could cause a temporary failure of the brake servovalves and may result in degraded or dissymmetrical braking.

The purpose of this Service Bulletin is to put the aircraft in an appropriate configuration that will prevent any dissymmetrical braking.

C. DESCRIPTION The operation consists in:

• checking the number of brake servovalves which are part of the batch,

• swapping or replacing the brake servovalves in order to have one hydraulic system without any servovalves in the batch installed.

FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 1 / 7 DASSAULT AVIATION Proprietary Data

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D. COMPLIANCE Mandatory 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 the DOA ref. EASA.21J.051.

F. LABOR Estimated labor-hours: Refer to Service Bulletin Commercial Summary.

NOTE: These labor-hours only concern the work described in this Service Bulletin and do not include other maintenance work that may be performed on this occasion.

G. MATERIAL - PRICE AND AVAILABILITY The modification kit may be obtained from either address listed below:

Western hemisphere: DASSAULT FALCON JET CORP.

SPARES DISTRIBUTION CENTER 200 RISER ROAD LITTLE FERRY, NJ 07643 U.S.A.

Telephone:

• U.S.A. and CANADA: 1-800-800-4036

• MEXICO: 001-800-800-4036

• Other countries: 1-201-541-4809 Email to: Customer.Care@DassaultFalconJet.com Other continents: DASSAULT AVIATION Falcon Spares 54, AVENUE MARCEL DASSAULT B.P. 24 33701 MERIGNAC Cedex (FRANCE) Telephone: 33 (0)5.56.18.44.44 Email to: dafsorders@dassault-aviation.com The equipment removed must be returned to one of the addresses listed below:

Western hemisphere: DASSAULT FALCON JET CORP.

SPARES DISTRIBUTION CENTER 200 RISER ROAD LITTLE FERRY, NJ 07643 U.S.A.

Telephone:

• U.S.A.and CANADA : 1-800-800-4036

• MEXICO: 001-800-800-4036

• Other countries: 1-201-541-4809 Email to: Customer.Care@Falconjet.com FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 2 / 7 DASSAULT AVIATION Proprietary Data

Page 5Open in PDF

Other continents: DASSAULT AVIATION C/O DAHER 3 avenue de Valquiou ZAC Aérolians 93290 TREMBLAY-EN-FRANCE (FRANCE) Telephone: 33 (0)5.56.18.44.44 Email to: dafsorders@dassault-aviation.com Price and availability on request.

H. TOOLING

- TOOL BOX (TO-20-008).

I. WEIGHT AND BALANCE Change in weight: None.

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

J. REFERENCES Aircraft Maintenance Manual:

• GENERAL MAINTENANCE AND SAFETY PRECAUTIONS (Refer to TASK 20-00-00-910-801)

• USE OF THE AIRCRAFT MAINTENANCE PROCEDURES (Refer to TASK 20-00-00-910-803)

• REMOVAL / INSTALLATION OF THE BRAKE SERVOVALVES (Refer to TASK 32-41-57-900-801) K. OTHER PUBLICATIONS AFFECTED None.

FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 3 / 7 DASSAULT AVIATION Proprietary Data

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2. ACCOMPLISHMENT INSTRUCTIONS A. GENERAL INSTRUCTIONS AND SAFETY PRECAUTIONS

(1) Obey the general maintenance and safety precautions (Refer to TASK 20-00-00-910-801).

B. PRELIMINARY STEPS

(1) The aircraft must be in the maintenance configuration (Refer to TASK 20-00-00-910-803).

C. PROCEDURE

(1) Check the part number C20103510-1 and the serial number of the four brake servovalves (L250GC), (L251GC), (R250GC) and (R251GC) in the appropriate aircraft document.

(2) In the LH main landing gear bay:

NOTE: The brake servovalves are installed on the following hydraulic systems:

• system 1 for LH system 1 brake servovalve ( L250GC),

• system 2 for LH system 2 brake servovalve ( L251GC).

• check each identification plate to confirm the part number and the serial number of the brake servovalves (L250GC) and (L251GC), then identify the location of the brake servovalves that are listed in paragraph 1.A., NOTE: If necessary, clean the identification plate with cleaner.

• record the serial numbers in table 1 (refer to paragraph 2.C.(5)).

(3) In the RH main landing gear bay:

NOTE: The brake servovalves are installed on the following hydraulic systems:

• system 1 for RH system 1 brake servovalve ( R250GC),

• system 2 for RH system 2 brake servovalve ( R251GC).

• check each identification plate to confirm the part number and the serial number of the brake servovalves (R250GC) and (R251GC), then identify the location of the brake servovalves that are listed in paragraph 1.A., NOTE: If necessary, clean the identification plate with cleaner.

• record the serial numbers in table 1 (refer to paragraph 2.C.(5)).

(4) Once the number and location of the brake servovalves that are listed in paragraph 1.A. are identified, follow the instructions:

• If one servovalve was found, no further action is required.

• If two servovalves were found and both are installed on hydraulic system 1, no futher action is required.

• If two servovalves were found and both are installed on hydraulic system 2, no futher action is required.

• If two servovalves were found, one on hydraulic system 1 and one on hydraulic system 2, swap the servovalve listed in paragraph 1.A. and installed on hydraulic system 2 with the serviceable servovalve installed on hydraulic system 1, so that the two servovalves that are listed in paragraph 1.A. are installed on hydraulic system 1.

FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 4 / 7 DASSAULT AVIATION Proprietary Data

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• If three servovalves were found, replace one servovalve and make sure (by swapping the other servovalves if necessary) that the two servovalves that are listed in paragraph 1.A.

are installed on hydraulic system 1.

• If four servovalves were found, replace the two servovalves installed on hydraulic system 2.

NOTE 1: The removal/installation and test must be performed according to the removal/ installation procedure of the brake servovalves (Refer to TASK 32-41-57-900-801).

NOTE 2: The brake servovalve(s) removed must be sent to one of the addresses listed in paragraph 1.G. of this Service Bulletin.

(5) Fill out and send to CommandCenter@dassault-aviation.com or CommandCenter@DassaultFalconJet.com the table below:

NOTE: Fill out the table below even if no brake servovalve has been replaced or swapped.

Brake servovalve S/N before SB Brake servovalve S/N after SB (L250GC) (L251GC) (R250GC) (R251GC) Table 1: Brake servovalves S/N - Before / After D. RECORDING Record compliance with this Service Bulletin in the appropriate aircraft documents.

Fill out the electronic Service Bulletin reply form accessible from the ”Service Bulletin" page on the Falcon portal or register SB implementation at Sbconfiguration@dassault-aviation.com, providing all useful information for aircraft identification:

• aircraft type and serial number,

• SB compliance: complete or section(s) applied,

• remarks,

• compliance date,

• service center.

FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 5 / 7 DASSAULT AVIATION Proprietary Data

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3. MATERIAL INFORMATION NOTE: Compliance with this Service Bulletin by substituting the part numbers below with interchangeable subsequent part numbers (as per the Master List) is acceptable, provided that subsequent part numbers have the same effectivity as the original ones.

A. MODIFICATION OF BRAKE SERVOVALVE PART NUMBER

NEW P/N QTY KEY WORD OLD P/N C20103510-1 having a serial number not listed in paragraph 1.A.

or having a serial number listed in paragraph 1.A., but with "C20103-32-077" written on the identification plate According to the aircraft configuration LH system 1 brake servovalve (L250GC) RH system 1 brake servovalve (R250GC) LH system 2 brake servovalve (L251GC) RH system 2 brake servovalve (R251GC) C20103510-1 having a serial number listed in paragraph 1.A.

and without "C20103-32-077" written on the identification plate:

NOTE: The brake servovalve removed must be sent to one of the addresses listed in paragraph 1.G.

of this Service Bulletin.

B. LOCAL PROCUREMENT (Refer to TASK 32-41-57-900-801 - "LOGISTICS") As indicated in Consumable Products Manual (CPM):

• cleaner FALCON 2000 F2000 -457 April 13, 2022 F2000 -32-39 Initial issuance Page 6 / 7 DASSAULT AVIATION Proprietary Data

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DASSAULT SERVICE BULLETIN

AVIATION FALCON 2000 F2000 -457 A MESSIER - BUGATTI F6137

BRAKE SERVOVALVE REF C20103510-1 (P/N) N° (S/N) 01850 Cle DATE A 11-08 (INSP) PRODUCT OF L 00/40- DASSAULT AVIATION Proprietary Data Amdts Figure 1: IDENTIFICATION PLATE April 13, 2022 END OF DOCUMENT F2000 -32-39 Initial issuance Page 7 / 7