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Page 1Open in PDF

FALCON 2000 No 460 JANUARY 16, 2023

MANDATORY ATA 30-15

ICE AND RAIN PROTECTION

WING ANTI-ICING

INSPECTION OF WING ANTI-ICING WIGGINS

COUPLINGS AND PIPES

FALCON SERVICE BULLETIN Copyright © 2023 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

ICE AND RAIN PROTECTION

WING ANTI-ICING

INSPECTION OF WING ANTI-ICING WIGGINS COUPLINGS AND PIPES Initial issuance January 16, 2023 List of effective pages:

1 to 7 FALCON 2000 F2000 -460 F2000 -30-15

Page 3Open in PDF

ICE AND RAIN PROTECTION

WING ANTI-ICING

INSPECTION OF WING ANTI-ICING WIGGINS COUPLINGS AND PIPES

1. PLANNING INFORMATION A. EFFECTIVITY This Service Bulletin is applicable to F2000 aircraft with serial numbers 1 thru 231 that have not performed the general visual inspection of the wings (Refer to TASK 57-00-00-210-801), included in Aircraft Maintenance Manual Revision 41 - Update 2, after April 13, 2021.

B. REASON Occurrences of wing anti-icing leaks in the wing leading edge, due to incorrect installation of Wiggins coupling on the wing anti-icing system or due to the detachment of the pressure switch line from the wing anti-icing pipe, were observed in service.

These conditions, if not detected and corrected, can result in degraded wing anti-icing performance.

The purpose of this Service Bulletin is to inspect the wing anti-icing Wiggins couplings and pipes.

C. DESCRIPTION The operation consists in checking the wing anti-icing Wiggins couplings and pipes for correct conditions on LH and RH sides.

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.

FALCON 2000 F2000 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 1 / 7 DASSAULT AVIATION Proprietary Data

Page 4Open in PDF

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 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 WIGGINS W991 COUPLINGS (Refer to TASK 20-41-00-900-801)

• ENERGIZATION / DE-ENERGIZATION OF THE AIRCRAFT SYSTEMS (Refer to TASK 24-00-00-860-801)

• EXTENSION / RETRACTION OF THE SLATS / FLAPS FOR MAINTENANCE (Refer to TASK 27-50-00-860-802)

• LEAK CHECK OF THE WING ANTI-ICING SYSTEM (Refer to TASK 30-10-00-790-801)

• REMOVAL / INSTALLATION OF THE WING ANTI-ICING PIPES (Refer to TASK 30-11-13-900-801) FALCON 2000 F2000 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 2 / 7 DASSAULT AVIATION Proprietary Data

Page 5Open in PDF

2. ACCOMPLISHMENT INSTRUCTIONS A. PRELIMINARY STEPS

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

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

(3) Fully extend the slats (Refer to TASK 27-50-00-860-802 - "EXTENSION IN NORMAL MODE")

(4) Inhibit slat deflection (Refer to TASK 27-50-00-860-802 - "EXTENSION IN NORMAL MODE" ) "OPERATION ON SLATS OR FLAPS EXTENDED").

(5) De-energize the aircraft systems (Refer to TASK 24-00-00-860-801).

(6) Remove:

• wing inboard leading edge access panel (512BT) / wing inboard leading edge access panel (612BT),

• wing lower surface outboard leading edge access panel No. 1 (522AB) / wing lower surface outboard leading edge access panel No. 1 (622AB).

B. PROCEDURE CAUTION: THE CLAMP MUST ROTATE FREELY AROUND THE TWO FERRULES.

(1) Check the wing anti-icing Wiggins couplings ( 1-fig. 1) on LH and RH sides for:

• condition,

• correct installation,

• deformation,

• leakage or signs of overheating,

• free rotation of the clamp around the two ferrules.

(2) In case of findings, replace or re-install the affected wing anti-icing Wiggins coupling with new seals (Refer to TASK 20-41-00-900-801).

(3) Check for condition the thermal lagging of all wing anti-icing pipes (traces of abnormal leakage, overheating or degradation of the thermal lagging) on LH and RH sides:

• Pay special attention at junction between wing anti-icing pipes (1-fig. 2) and wing anti-icing pressure switches (L50DL)/(R50DL) pipes (2-fig. 2).

• In case of doubt about a possible leakage, perform a leak check of the wing anti-icing system (Refer to TASK 30-10-00-790-801).

(4) In case of findings, replace the affected wing anti-icing pipes (Refer to TASK 30-11-13-900-801).

C. FINAL STEPS

(1) Install the access panels and doors removed previously.

(2) Return the aircraft to the initial configuration.

FALCON 2000 F2000 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 3 / 7 DASSAULT AVIATION Proprietary Data

Page 6Open in PDF

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 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 4 / 7 DASSAULT AVIATION Proprietary Data

Page 7Open in PDF

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. DASSAULT PROCUREMENT In case of replacement:

• LH wing anti-icing pipe P/N F2MA725103A5

• RH wing anti-icing pipe P/N F2MA726103A5 B. LOCAL PROCUREMENT In case of replacement:

• Wiggins coupling P/N W991-24CE

• Seal P/N W932-24B

FALCON 2000 F2000 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 5 / 7 DASSAULT AVIATION Proprietary Data

Page 8OCROpen in PDF

DASSAULT SERVICE BULLETIN

AVIATION FALCON 2000 F2000 -460 L50DL 30DL

LH WING R50DL 40DL

RH WING Figure 1: LOCATION OF WING ANTI-ICING WIGGINS COUPLINGS January 16, 2023 F2000-30-15 Initial issuance Page 6 / 7

Page 9Open in PDF

Figure 2: INSPECTION OF THERMAL LAGGING

END OF DOCUMENT FALCON 2000 F2000 -460 January 16, 2023 F2000 -30-15 Initial issuance Page 7 / 7