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FALCON 20 No 790 SEPTEMBER 14, 2016
MANDATORY ATA 26-16
FIRE PROTECTION
REPLACEMENT OF FIRE EXTINGUISHER TUBES P/N MY20791-121 AND -122
FALCON SERVICE BULLETIN Copyright © 2016 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.
FIRE PROTECTION REPLACEMENT OF FIRE EXTINGUISHER TUBES P/N MY20791-121 AND -122 Initial issuance September 14, 2016 List of effective pages :
1 to 7 FALCON 20 F20 -790 F20 -26-16
FIRE PROTECTION REPLACEMENT OF FIRE EXTINGUISHER TUBES P/N MY20791-121 AND -122
1. PLANNING INFORMATION A. EFFECTIVITY This Service Bulletin is applicable to all FAN JET FALCON series, all MYSTERE-FALCON 20-()5 series, and MYSTERE-FALCON 20 GF aircraft.
B. REASON Several defective extinguisher tubes have been found on Fan Jet Falcon aircraft. The result of the investigations concluded that these occurrences were due to corrosion from very active halogen extinguishing agents.
This condition, if not corrected, could impact the capability to extinguish a fire in the rear compartment of the aircraft, possibly resulting in damage to the aircraft and injury to the occupants.
C. DESCRIPTION The operation consists in replacing the affected tubes with improved fire extinguisher tubes.
Affected Parts P/N (AG5 material) Serviceable Parts P/N (5086 material) MY20791-121 MY20791-121-1 MY20791-122 MY20791-122-1 NOTE: This Service Bulletin prohibits (re)installation of the affected fire extinguisher tubes on an aircraft.
D. COMPLIANCE Mandatory:
• It is anticipated that this Service Bulletin will be rendered mandatory by an EASA Airworthiness Directive.
• As prescribed by the Airworthiness Authorities of the country of registration of the aircraft.
E. APPROVAL This Service Bulletin covers DASSAULT AVIATION modifications MYSTERE-FALCON 20 M7007 and FALCON 20-5() M3574 (partially) that have been approved under the authority of DOA nr. EASA.21J.
051.
The technical content of this document is approved under the authority of DOA nr. 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 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 1 / 7 DASSAULT AVIATION Proprietary Data
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:
• 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 E/H dafsorder@dassault-aviation.com 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 Illustrated Parts Catalog:
• SYSTEM, FIRE EXTINGUISHING, FR33 TO FR35 IPC 26-20-10-20 Aircraft Maintenance Manual:
• 20-00-0-2 "Summary of mandatory precautions to be taken during aircraft maintenance operations",
• 26-20-2-3 "EXTINGUISHING SYSTEM - SERVICING".
FALCON 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 2 / 7 DASSAULT AVIATION Proprietary Data
K. OTHER PUBLICATIONS AFFECTED None.
FALCON 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 3 / 7 DASSAULT AVIATION Proprietary Data
2. ACCOMPLISHMENT INSTRUCTIONS A. PRELIMINARY STEPS
(1) The aircraft must be in the maintenance configuration (refer to Maintenance Manual, chapter 20-00-0-2).
(2) Make sure that the aircraft is de-energized.
(3) Make sure that the A/C batteries and the external power sources are disconnected.
(4) On the cockpit circuit breaker panel (RH side), disengage circuit breaker "FIRE EXTINGUISH" (31W).
(5) In the rear compartment, on the battery box, disengage circuit breaker (32W).
(6) Install a "DO NOT ENERGIZE" warning placard in the cockpit.
B. REPLACEMENT OF THE FIRE EXTINGUISHER TUBES Refer to fig. 1
(1) Removal
(a) Disconnect LH fire extinguisher tube (1-fig. 1) from LH fire extinguisher discharge head side, NOTE: The end of this line is identified by means of green paint applied on LH fire extinguisher discharge head side.
(b) Unscrew clamp (C-fig. 1),
(c) Disconnect RH fire extinguisher tube (2-fig. 1) from RH fire extinguisher discharge head side (A-fig. 1), NOTE: The end of this line is identified by means of green paint applied on RH fire extinguisher discharge head side.
(d) Disconnect RH fire extinguisher tube (2-fig. 1) from fire extinguisher multi-hole spray pipe side (B-fig. 1),
(e) Unscrew clamp (D-fig. 1).
(2) Installation
(a) Connect LH fire extinguisher tube P/N MY20791-121-1 (1-fig. 1) to LH fire extinguisher discharge head side,
(b) Install clamp (C-fig. 1),
(c) Connect RH fire extinguisher tube P/N MY20791-122-1 (1-fig. 1) to RH fire extinguisher discharge head side (A-fig. 1),
(d) Connect RH fire extinguisher tube P/N MY20791-122-1 (2-fig. 1) to fire extinguisher multihole spray pipe side (B-fig. 1),
(e) Install clamp (D-fig. 1).
(3) Tests
(a) Perform a flow test (refer to Maintenance Manual, chapter 26-20-2-3 paragraphs 4C and 4D).
FALCON 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 4 / 7 DASSAULT AVIATION Proprietary Data
C. FINAL STEPS
(1) Check the paint for condition for each RH/LH fire extinguisher discharge head side,
(2) Repaint if necessary.
(3) Engage circuit breakers (31W) and (32W).
(4) Remove the "DO NOT ENERGIZE" warning placard.
D. 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, or fill out the electronic Service Bulletin reply form located in the ”Service Bulletin" page on the Falcon portal.
FALCON 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 5 / 7 DASSAULT AVIATION Proprietary Data
3. MATERIAL INFORMATION A. MODIFICATION KIT NOTE: Compliance with this Service Bulletin by substituting the part numbers below with interchangeable subsequent part numbers is acceptable, provided the subsequent part numbers have the same effectivity as the original ones.
NEW P/N Q T Y
KEY WORD OLD P/N INSTRUCTIONSDISPOSITION ITEMFIG MY20791-121-1 1 LH TUBE MY20791-121 Connect to the LH fire extinguisher discharge head (1-fig. 1) MY20791-122-1 1 RH TUBE MY20791-122 Connect to the RH fire extinguisher discharge head (2-fig. 1) FALCON 20 F20 -790 September 14, 2016 F20 -26-16 Initial issuance Page 6 / 7 DASSAULT AVIATION Proprietary Data
DASSAULT SERVICE BULLETIN
AVIATION FALCON 20 F20 -790
REAR COMPARTMENT
LH TUBE RH TUBE P/N MY20791-121 P/N MY20791-122 to be replaced to be replaced Figure 1: FIRE EXTINGUISHER TUBES - REMOVAL/INSTALLATION September 14, 2016 F20 -26-16
END OF DOCUMENT Initial issuance Page 7/7
NO POSTAGE
NECESSARY
FROM IF MAILED IN THE
UNITED STATES
ZIP CODE
BUSINESS REPLY MAIL FIRST CLASS MAIL PERMIT NO. 3306 HACKENSACK, NJ 07602 POSTAGE WILL BE PAID BY ADDRESSEE:
DASSAULT FALCON JET CORP.
PO BOX 1946 SO HACKENSACK NJ 07606-9946 ATTENTION:
FIELD SERVICE DEPARTMENT
DASSAULT AVIATION 78, Quai Marcel Dassault Cedex 300 92552 SAINT-CLOUD Cedex FRANCE A l'attention de DSC
SERVICE BULLETINS COMPLIANCE FALCON 20 A/C S/N DASSAULT AVIATION Number ATA Number F20 790 F20 26 16
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 20 A/C S/N DASSAULT AVIATION Number Numero DASSAULT AVIATION ATA Number Numero ATA F20 790 F20 26 16
Coding: C complete complianceapplication totale
T partial complianceapplication partielle
Performed by:
Fait par:
Remarks: Initial issuance Date: Signature:
Remarques: Edition originale