# Dassault Mandatory Service Bulletin F2000EX-171: Revision 3

- Rights: © Dassault Aviation. Filed by the FAA in regulations.gov docket FAA-2012-1067; AD 2013-09-03 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.
- Document: [Dassault Mandatory Service Bulletin F2000EX-171](https://openairdocs.org/service-documents/dassault/f2000ex-171.md)
- Title as filed: U.S. DOT/FAA - SB F2000EX-171 R3
- Pages: 86
- PDF: https://openairdocs.org/files/sha256/4d/fa/4dfae51bc7e0e6a973105a4ee4d23946ba05529377ea31441fd612b16d0e5a44
- Page: https://openairdocs.org/service-documents/dassault/f2000ex-171/file/4dfae51bc7e0

## Text

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### Page 1

FALCON SERVICE BULLETIN   
 
671 
 
641 
 
 
 
FALCON 2000EX 
FALCON 2000EX EASy 
FALCON 2000DX 
 
No 171-R3 
 
 
MARCH 10, 2010 
 
MANDATORY 
 
 
 
 
MANDATORY 
 
 
 
 
 
 
 
 
 
Copyright © 2009 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.  
ATA 57-5 
 
 
 
WING 
WING TANK MODIFICATION

### Page 2

FALCON 2000EX
SERVICE BULLETIN
F2000EX–171
 
F2000EX–57–5
WING
WING TANK MODIFICATION
________________________________________________________________________________
INITIAL ISSUANCE date: July 6, 2009
List of effective pages: 1 to 6.
________________________________________________________________________________
COMPLETE ISSUANCE: REVISION 1 date: October 30, 2009
List of effective pages: 1 to 7.
List of modified pages: 1 to 7.
REASON: The Service Bulletin is updated to give precise details about compliance  and
training.
This revision is not applicable to aircraft already modified per the original issue.
________________________________________________________________________________
COMPLETE ISSUANCE: REVISION 2 date: February 15, 2010
List of effective pages: 1 to 7.
List of modified pages: 6 and 7.
REASON: Addition/correction of information in appendix 1, 2, 5 following installations
performed during training.
This revision is not applicable to aircraft already changed per the original issue.
________________________________________________________________________________
COMPLETE ISSUANCE: REVISION 3 date: March 10, 2010
List of effective pages: 1 to 7.
List of modified page: 3.
REASON: Modification of paragraph “TRAINING”.
This revision is not applicable to aircraft already changed  per the original issue or revision 1 or
revision 2.

### Page 3

DASSAULT AVIATION Proprietary Data
SERVICE BULLETIN
FALCON 2000EX F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  1
WING
WING TANK MODIFICATION
________________________________________________________________________________
 1  . PLANNING INFORMATION
 A . EFFECTIVITY
This Service Bulletin is applicable to:
– FALCON 2000EX aircraft with serial numbers 1 through 600 (F2000EX, F2000EX EASy),
– FALCON 2000EX aircraft with serial numbers 601 through 700 (F2000DX),
which have not previously  implemented DASSAUL T A VIATION modification F2000EX
M3072.
 B . REASON
An analysis of rare high-speed runway excursions has revealed that, in case of a main landing
gear leg failure due to overloads, the subsequent wing damage may cause a potential fuel
spill.
The purpose of this  Service Bulletin is to prevent such a fuel spill in the event of such an
exceptional occurence by installing a sealed boundary between ribs No. 4 and 5 in front of
the rear wing spar.
 C . DESCRIPTION
The operation consists in:
– removing the structural removable lower wing panel,
– installing a drainage capability,
– installing a boundary between ribs No 4 and 5,
– applying a sealant around the boundary ,
– performing  a test for leakage,
– replacing the instruction placards on the wings and on the refueling door (186CR).
The Accomplishment Instructions and the  tests are included in the five Appendices to this
Service Bulletin.

### Page 4

DASSAULT AVIATION Proprietary Data
FALCON 2000EX
SERVICE BULLETIN
F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  2
 D . COMPLIANCE
Mandatory:
Compliance with this Service Bulletin should be done no later than 12 years and 6 months
of its release date.
It is anticipated that this Service Bulletin will be rendered mandatory by an EASA
Airworthiness Directive. The Airworthiness authorities  of other countries may also elect to
mandate compliance with this Service Bulletin and compliance timelines will be established
by those authorities.
Each person applying this Service Bulletin must have successfully completed a training
program. For more details refer to the training section of paragraph F .
 E . APPROVAL
This Service Bulletin covers DASSAULT AVIATION modifications F2000EX M3072 which has
been approved by EASA and M3206 which 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.

### Page 5

DASSAULT AVIATION Proprietary Data
SERVICE BULLETIN
FALCON 2000EX F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  3
 F . LABOR
Estimated labor–hours:
– Access time: 300 hours
– Modification: 300 hours
– 40 hours for paint touch (including lower wing panels and upper wings reworked areas)
NOTE: These labor–hours only concern the work described in this Service Bulletin and do
not include other maintenance work which may be performed on this occasion.
NOTE: The Service Bulletin instructions contained in the five APPENDICES constitute
complex structural rework activity that should only be accomplished at Service
Centers that have relevant experience working on Falcon aircraft  and have a
high level of competency in the following areas:
– Work on primary structure.
– Metal work.
– Precision adjustment.
– Non-destructive-Testing (NDT) for cracks.
– Use of S-class screws and repair dimensions.
Failure to utilize an experienced Service Center with a high level of proficiency
in the above disciplines and specialized training in the operations covered
hereby, could result in inadvertent damage during the Service Bulletin
procedure, possibly requiring extensive aircraft repairs.
TRAINING: Each person applying this Service Bulletin must have successfully completed a
training program. This training program consists  of applying this Service Bulletin in the
person’s facility under the supervision of a trainer  from Dassault Aviation, and/or Dassault
Aircraft Services (DAS) personnel that have received training from Dassault A viation.
Each facility applying this Service Bulletin must maintain capable individuals on staff that have
successfully completed the Dassault training program prior to attempting this modification.
However, it is acceptable that a person from a facility that has successfully completed the
training program to be designated to serve as a trainer for that facility . As a consequence,
it is the responsibility of each maintenance facility applying this Service Bulletin to define an
internal training program of its technicians and maintain familiarization of the application of
the SB to maintain the required knowledge over the years.

### Page 6

DASSAULT AVIATION Proprietary Data
FALCON 2000EX
SERVICE BULLETIN
F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  4
 G . MATERIAL – PRICE AND AVAILABILITY
The modification kit will be delivered to  the Service Centers approved 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 No 101
AEROPORT DU BOURGET
93352 – LE BOURGET Cedex (FRANCE)
Please contact your Dassault A viation
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
The specific tooling are listed in the APPENDIX 5.
 I . WEIGHT AND BALANCE
Change in weight: + 6.4 lb (+ 2.9 kg).
Change in balance with respect to 25% MAC : + 32 ft.lb (+ 4,3 m.daN) nose up moment.

### Page 7

DASSAULT AVIATION Proprietary Data
SERVICE BULLETIN
FALCON 2000EX F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  5
 J . REFERENCE
Aircraft Maintenance Manual:
– procedure 27-510,
– procedure 27-811,
– procedure 57-011.
Standard Practices:
– procedure 20-305,
– procedure 20-306,
– procedure 20-320,
– procedure 20-602,
– procedure 20-650.
Illustrated Parts Catalog:
– chapter 11-20-10,
– chapter 11-20-20,
– chapter 53-20-20.
Airplane Flight Manual:
– F2000EX Airplane Flight Manual (DGT84278) rev .7 or subsequent.
– F2000EX Easy Airplane Flight Manual (DGT88898) rev .6 or subsequent.
AMM chap. 12, Ingredients and consumable products.
 K . OTHER PUBLICATIONS AFFECTED
The following publications will be revised at a later date to account for the changes introduced
by this Service Bulletin:
– AMM
– IPC

### Page 8

DASSAULT AVIATION Proprietary Data
FALCON 2000EX
SERVICE BULLETIN
F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  6
 2  . ACCOMPLISHMENT INSTRUCTIONS
 A . ACCOMPLISHMENT INSTRUCTIONS  ARE DESCRIBED IN THE FOLLOWING
APPENDICES:
(1) APPENDIX 1 DRY BAY – ASSEMBLY OF BOUNDARY AND DRAINING CAPABILITY
REVISION 2
(2) APPENDIX 2 DRY BAY – SEALANT APPLICATION ON BOUNDARY
REVISION 3
(3) APPENDIX 3 DRY BAY – LEAKAGE PRESSURE TEST FOR THE SEAL BOUNDARY
REVISION 2
(4) APPENDIX 4 DRY BAY – REPORT OF DRILLING THE PR INJECTION HOLES
REVISION 1
 B . REPLACEMENT OF INSTRUCTION PLACARDS
(1) LH and RH wings
– Remove the instruction placards Item 50 as per Illustrated Parts Catalog,
Chap. 11-20-20, fig. 10.
– For F2000EX aircraft, install the new instruction placards F2MB090200003A3 at the
same location as per Procedure 20-306.
– For F2000DX aircraft, install the new instruction placards F2ME090200003A1 at the
same location as per Procedure 20-306.
(2) Refueling access door (186CR)
– Open the refueling access door (186CR) as per  Illustrated Parts Catalog,
Chap. 53-20-20, fig. 35  for F2000EX aircraft or Illustrated Parts Catalog,
Chap. 53-20-20, fig. 14 for F2000DX aircraft.
– Remove the instruction placard Item 100 as per  Illustrated Parts Catalog,
Chap. 11-20-10, fig. 30.
– For F2000EX aircraft, install  the new instruction placard F2MB090100023A3 as per
Procedure 20-305.
– For F2000DX aircraft, install the new instruction placard F2ME090100024A1 as per
Procedure 20-305.
 C . DOCUMENTATION
Update, if not already done, the Airplane Flight Manual with:
– Airplane Flight Manual (DGT84278) rev.7 or subsequent for a F2000EX
– Airplane Flight Manual (DGT88898) rev.6 or subsequent for a F2000EX Easy

### Page 9

DASSAULT AVIATION Proprietary Data
SERVICE BULLETIN
FALCON 2000EX F2000EX–171
 
March 10, 2010 F2000EX–57–5
Revision 3 Page  7END OF DOCUMENT
 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 Compliance Form on line on the Dassault Falcon website.
 3  . MATERIAL INFORMATION
Refer to DRY BAY APPENDIX 5 REVISION 3.

### Page 10 (OCR)

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

### Page 11

SERVICE BULLETINS COMPLIANCE
SERVICE BULLETINS COMPLIANCE
SERVICE BULLETINS COMPLIANCE
FALCON 2000EX
APPLICATION DES BULLETINS DE SERVICE
DASSAULT AVIATION Number ATA Number
Remarks:
Coding:
A/C S/N
C
T
complete compliance
partial compliance
Date : Signature :
Performed by:
DASSAULT AVIATION Number ATA Number
Remarks:
Coding: C
T
complete compliance
partial compliance
Date : Signature :
Performed by:
FALCON 2000EX Avion No
Numéro DASSAULT AVIATION Numéro ATA
Fait par :
application partielle
application totale
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 appliqué ce Bulletin de Service sur votre avion, veuillez avoir l’amabilité
de nous en informer :
– Utiliser la carte réponse supérieure pour continent américain (Dispensée de timbrage pour postage
     depuis les U.S.A.)  ou  le fax  pour Dassault Falcon Jet : 1–201–541–4700.
– Ou la carte réponse inférieure pour autres continents ou le fax pour Dassault Aviation : 33 (0)1.47.11.65.21.
Eventuellement, si d’autres Bulletins de Service ont été appliqués simultanément,
vous pouvez les mentionner dans les cases vierges prévues à cet effet.
Remarques :
171
171 F2000EX
57
57 5
5
Revision 3
Revision 3
Révision 3
F2000EX
F2000EX F2000EX

### Page 12

PAGE 1/49
ASSEMBLING DRY BAY AND DRAINING CAPABILITY
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 13

PAGE 2/49
Revision 2
February 15, 2010
PROTECTION EQUIPMENTOPERATIONSHAZARDS
CHEMICAL HAZARDS ON WORKSTATION
Pickling
 Vacuum 
cleaner+
Latex gloves
Anti-dust mask
Cleaning with solvent
 Latex gloves
Sealant application
Latex gloves
Long sleeves clothes
DRY BAY  APPENDIX-1
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### Page 14

PAGE 3/49
Revision 2
February 15, 2010
Handling with travelling crane
Risks of clashes, fall of 
objects
+ Authorized personnel
Classic riveting, MGPL, FOBO, 
boring, reaming, broaching, 
countersinking, routing, 
trimming, pinning tightened
Deburring, spot-facing
Handling of bridges, spars, 
panels, drilling grids
Risks of fall of 
objects
NON-CHEMICAL HAZARDS ON WORKSTATION
PROTECTION EQUIPMENTOPERATIONSHAZARDS
DRY BAY  APPENDIX-1
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### Page 15

PAGE 4/49
F50 F900 F900EX F2000 F2000EX
27-811 27-811 27-811 27-811 27-811
57-400 57-011 57-011 57-011 57-011
Revision 2
February 15, 2010
Extend the flaps                           see 
procedure
27-510 27-510 27-510
Remove the wing’s structural  fuel 
tank removable panel        see 
procedure
Remove flap actuator 
(L25CF/R25CF) see procedure 27-568 27-521
PRELIMINARY STEPS
DRY BAY  APPENDIX-1
CAUTION: Once panel is removed, ventilate with an air extractor to remove fuel vapors from the wing box.
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PAGE 5/49
Strip the area prior to drilling the PR injection holes
See Standard practices 20-602 (Stripping and pickling)
Revision 2
February 15, 2010
LOWER SURFACE BOTTOM VIEW
UPPER SURFACE TOP VIEW
RIB 4
DRY AREA 
FRAME
FWD
FWD
RIB 5
Strip paint
Chemical pickling
Strip paint
Chemical pickling
DRY BAY  APPENDIX-1
RIB 5
REAR SPAR
Upper panel boundary
REAR SPAR
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### Page 17

PAGE 6/49
ASSEMBLING HALF-FRAMES
Fitting nut gang channels to half-frames:
 - On the workbench, cut out the nut gang channel 39600C332-13S (Item 26)
 - Mark the 2 gang channels: FGFB112500027
      Secure with rivets 21218DB2408J (Item 54)
February 15, 2010
 - Fit all nut gang channels to half-frames Item 1-2 and Item 3-4, and interlay sealant (see Standard Pratices 20-650)
Revision 2
Cut-out
Half-frame Item 1-2
FGFB112500011W1P01/
FGFB122500011W1P01
Half-frame Item 3-4
FGFB112500012W1/FGFB12
2500012W1
FGFB112500027Nut gang channel Item 28
39600C102-04S
Nut gang channel Item 27
39600C123-05S
DRY BAY  APPENDIX-1
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### Page 18

PAGE 7/49
INSTALLATION OF DRY BAY STRUCTURE
Installation of angle Item 11-12 on half-frame
Attach the angle (Item 11-12) to half-frame (Item 1-2) using an assembly screw
Drill the angle (Item 11-12) dia. 0.1 in. ( 2.5 mm) hole in half-frame
Disassemble angle, deburr
Assemble angle with interlaying sealant (See Standard Practices 20-650) and rivets 21218DE2408J
Revision 2
February 15, 2010
Half-frame Item 1-2
FGFB112500011W1P01/
FGFB122500011W1P01
Angle Item 11-12
FGFB112500005W1EQU/
FGFB122500005W1EQU
Rivet 21218DE2408J Item 54
DRY BAY  APPENDIX-1
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### Page 19

PAGE 8/49
INSTALLATION OF DRY BAY STRUCTURE
 - Assemble cups Item 7-8 and item 9-10 
Cleco cups Item 7-8  and Item 9-10 through two dia. 0.1 in. ( 2.5 mm) predrilled holes
Drill both 2 x dia. 0.1 in. ( 2.5 mm) of a cup in the other one and drill both holes to dia. 5.2 H9
Remove, deburr and install both nut plates Item 48 on cup Item 7-8
Assemble the 2 cups with interlaying sealant between the two parts+ 2 x screws Item 47
Pinning
Revision 2
February 15, 2010
Recess Item 7-8
FGFB112500003/
FGFB122500003
Cup Item 9-10
FGFB112500004 / 
FGFB122500004
Fill with bead sealant 
See Standard Practices 20-650
Dia.5.2 H9 ( +0  
Dia. 0,205 in. (+0 µin. +1.8 µin.) 
DRY BAY  APPENDIX-1
2 x screw Item 47 
22201TX050003XF
Nut plates Item 48
5SF5009M
Cup Item 7-8
FGFB112500003/
FGFB122500003
Cup Item 7-8
FGFB112500003/
FGFB122500003
Repeat both 2 x Ø 0.1 in ( 2.5 
mm)
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### Page 20

PAGE 9/49
INSTALLATION OF DRY BAY STRUCTURE
Fitting nut gang channels to cup assembly:
Drill the cups to  dia. 0.244 in. (6,2 mm)
      Secure with rivets 21218DB2408J (Item 54)
 - Fit 14ea nut gang channels to cups Item 7-8 and Item 9-10, and interlay sealant (see Standard Pratices 20-650)
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
nut gang channel 39600C332-13S
Item 26
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### Page 21

PAGE 10/49
OMEGA STIFFENER REMOVAL + SEALING ON RIB 5
  1) Remove the omega stiffener 113005004 / 113005004 on rib 5  do not enlarge the rivet holes
  2) Scrape and clean the sealant around the fastener doublers on rib 5
  3) Check for presence of sealant between doubler and rib 5. If sealant is already applied, is not necessary
 to remove the rivets to ease the PR injection
Revision 2
February 15, 2010
RIB 5
Scrape and clean sealant
Omega stiffener holes
FGFB113005004
DRY BAY  APPENDIX-1
RIB 5
REAR SPAR
Remove these rivets Item 57 
to ease the PR injection 
Do not remove them if there 
is sealant between doubler 
and rib 5
Remove this rivet and replace with a 
100°-countersunk head screw,
INSPECT FOR SEALANT
Sealant beetween doubler
and rib 5
Remove this rivet if 
necessary only
Remove the Omega 
stiffener
FGFB113005004
Remove this screw
RIB 5
NOTE: External wing 
skin top side
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### Page 22

PAGE 11/49
REMOVING AND CLEANING SEALANT
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
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### Page 23

PAGE 12/49
ATTACHMENT REMOVAL FOR REAR SPAR ANGLES
Remove the six fasteners and check the diameter of each screw (some may be oversize-dimension screws) 
Scrape and clean the sealant in the bent section aera
Revision 2
February 15, 2010
RIB 5
REAR SPAR
2 Screws 38472TX060
Dia. 0.236 in. (6 mm)
DRY BAY  APPENDIX-1
Scrape and clean the sealant in 
this area
1 Screw 38472TX060
Dia. 0.236 in. (6 mm)
2 Screws 22201TX050
Dia. 0.197 in. (5 mm)
or MPGL’s
1 Screws 38472TX050
Dia. 0.197 in. (5 mm)
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### Page 24

PAGE 13/49
INSTALLATION OF BLANKING PLATE ON REAR SPAR
After removal of the removable panel and of the locating plug, perform the following: 
Protect the dia. .63 in. (Dia. 16mm) hole with alodine and install the 2 nut plates (Item 30) on both sides of the hole
Perform paint touch-up on the dia. .63 in. (Dia. 16mm) hole and nut plates
Install the plate (item 21) on the spar,
NOTE: DO NOT INSTALL UNTIL AFTER THE PRESSURE TEST (Appendix 3 page 5)
Using tool MA48401Z01-FGFB112005A2  drill  2 bores to a diameter of .19 in.  (Dia. 4.8E9)
Drill the locating plug to a diameter of .39 in. to .63 in.  (Dia. 10mm to 16mm),
Revision 2
February 15, 2010
Rib 5 Rib 4
Rear spar
Locating  plug
Box structure - inside 
view
Nut MS21059L3
Locating plug to 
be removed
Box structure - inside 
view
Rib 4 Rib 5
Plate Item 21 FGFB112005003 
 (Installed outside the box structure)
 2 nuts Item 30 
MS21059L3
installed with  rivets
(Item 56) 21218DE2410J
 2 screws Item 29 
NAS1133V4A
Dia,.63 in. 
(Dia.16mm)
DRY BAY  APPENDIX-1
Drilled dia..63 in. 
(dia. 16mm). hole 
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### Page 25

PAGE 14/49
 INSTALLATION  OF DRAIN PROVISION ON  LOWER SURFACE PANEL
Revision 2
February 15, 2010
Install the drilling tool ME48401Z01-SBF2000-358 and check for the dimension of .24 in. min (6 mm min). 
NOTE: Install a shim (thickness .2 in. (5 mm)) under the tool to escape the radius of the risers.
If the dimension  is smaller than .24 in. (6 mm), use drilling tool ME48402Z01-SBF2000-358,
Pre-drill the lower panel to a diameter of  0.1 in. (Dia. 2.5 mm)
Enlarge the 3 holes (see figure)
Set clocos to attach the angle (Item 61-62) (FGFB112500060W3/FGFB122500060W3) with the appropriate shim FGFB112500063W3 and counterdrill 
the shim and  rib 4 for rivet 21215DE32
Install anchor nut Item  (NAS1473A3) on the angle with interlaying sealant
Protect holes with alodine and touch-up with paint.
DRY ZONE
Rib 4
.24 in. min
6 mm mini
Tool ME484001Z00-SBF2000-358
DRY BAY  APPENDIX-1
Rib 4
Item 61-62
Insert shim if 
necessary
Rear sparRear spar
Rear spar
Ø .20 in. 
Ø 5 mm 
Ø .20 in. 
Ø 5 mm 
Ø .31 in. 
Ø 8 mm 
SECTION D-D
Rear spar
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### Page 26

PAGE 15/49
REINFORCING RIB 5
Revision 2
February 15, 2010
Back drill rib 5 holes into the shim (Item 22) to a diameter of  0.1 in.(Dia. 2.5 mm) with drill bush MA48401-01
Back drill of rib 5 holes into the shim (Item 24) + angle bracket (item 25) to a diameter of Dia. .1 in.(Dia. 2.5 mm) with drill bush MA48401-01
Cleco the shim (item 24) and the angle bracket (item 25) to rib 5
Enlarge bores to dia.4,4 U9  ( Dia. 4,4U9 = 0.173 in. (-0,0009;-0,0020))
Countersink the 4 or 5 holes  (CAUTION: contersunking is on Rib5 side)
DRY BAY  APPENDIX-1
Angle bracket Item 25
FGFB113005041 
Rib 5
Shim Item 22 
FGFB112500009
Rib 5 reinforcement ATTACHMENT DIRECTION
Remove this rivet, only 
if necessary 
If this configuration is encountered, 
rework the shims (item 22 & 24) to fit 
with the stiffener’s shape.
Shim -Item 24
FGFB113005042
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### Page 27

PAGE 16/49
DRILLING THE BENT SECTIONS
Have the bent sections Item 13-14 and Item 15-16  resting on rib 5 and rear spar
Drill existing holes drilled in panels to bent sections using Dia. 0.1 in. (Dia. 2.5 mm)  drill bushes
Drill the angle only to dia. 0.204 in. (5.2 D10) for vertical attachments, dia.0.244 in.(Dia. 6.2 D10) for lower surface attachment fittings 
and Dia. 0.244 in.(dia. 6.2D10) and 0.204 in. (5.2 D10) for upper surface attachment fittings
Revision 2
February 15, 2010
RIB 5REAR SPAR
UPPER SURFACE BENT SECTION 
Item 15-16
FGFB11250006/FGFB122500006
LOWER SURFACE BENT SECTION 
Item 13-14
FGFB11250007/FGFB122500007
Dia. 0.204 in (Dia. 5.2 mm) 
D10 bore
Dia. 0.244 in (Dia. 6.2 
mm) D10 bore
DRY BAY  APPENDIX-1
Dia. 0.244 in (Dia. 6.2 
mm) D10 bore
DO NOT DRILL SKIN OR RIB 5 TO 
THESE MEASUREMENTS
(JUST BENT SECTIONS)
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### Page 28

PAGE 17/49
 DRILLING THE LOWER SURFACE PANEL STIFFENER
Using tool MA48402Z01-FGFB117/127000103, pre-drill the stiffener  to a diameter of  Dia. 0.1 in. (Dia. 2.5 mm)
Revision 2
February 15, 2010
Rib 4
Rib 5
Rear spar
Rib 5
Rib 4
Pre-drilled stiffener (4 x Dia. .1 in. 
(Dia. 2.5mm))
DRY BAY  APPENDIX-1
Tool MA48402Z01-FGFB117/127000103
Rib 5
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### Page 29

PAGE 18/49
 DRILLING THE LOWER SURFACE PANEL STIFFENER
Revision 2
February 15, 2010
Rear spar
Rib 5
Rib 4
Pre-drilled stiffener (12 x Dia. .1 in. 
(Dia. 2.5mm))
DRY BAY  APPENDIX-1
NOTE: For easier access, use tool MA48401Z01-FGFB122500003  on LH side and tool MA48401Z01-FGFB112500003  on RH side.
Attach  tool MA48401Z01-FGFB112/122500003 to the stiffener  and pre-drill to a diameter of  0.1 in. (Dia. 2.5 mm)
Tool MA48401Z01-FGFB112/122500003
Rib 5
Rib 4
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### Page 30

PAGE 19/49
INSTALLATION OF DRY BAY STRUCTURE
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
Inside the wing box, install the cup assembly  (Item 7-9/8-10) against the lower panel stiffiner and  Rib5 
Position the cup assembly   0.06 in. (1,5 mm) from the top of the stiffener
Using screw clamps, secure the cup assembly to the lower panel stiffener and check the position (0.06 in. - 1.5 mm)
Spot drill the three dia. 0.1 in. ( Dia.2.5 mm) pre-drilled holes of the lower skin panel stiffener in the cup asssembly, 
Attach  the cup assembly to the stiffener,
NOTE: Verify the position of cup assembly with respect to the stiffener (.06 in.(1.5mm))
Rib 5
Rib 4
Cups FGFB112/122500003
FGFB112/122500004
Item 7-9/8-10
Cups
Stiffener
.06 in.
1,5 mm
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### Page 31

PAGE 20/49
INSTALLATION OF DRY BAY STRUCTURE
In case of interference between the half-frame and rib 5 during installation: See page 47
Revision 2
February 15, 2010
Half-frame Item 1-2
FGFB112500011W1P01 / 
FGFB122500011W1P01
DRY BAY  APPENDIX-1
Draw a line on the half frame (Item 1-2)  at 0.39 in. (10mm ) of the edge (see detail A)
Resting on the cup assembly, position the half frame (item 1-2)  embedded in rib 5 and bearing on tool MA40301Z01-FGFB112/122500010
Check that the half-frame rests properly on the upper wing panel,
Use bolt to assemble the half-frame to cup assembly. 
On half-frame, mark holes from rib 5 and the hole of the upper skin panel.
Check for gaps between the upper panel attaching parts and and the half-frame
Disassemble and check the gap as per page 47
Tool MA40301Z01-
FGFB112/122500010
Rib 5
Cup assembly 
DETAIL A
Hole of the upper 
skin panel
Gap
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### Page 32

PAGE 21/49
INSTALLATION OF DRY BAY STRUCTURE
In case of interference between the half-frame and rib 5 during installation: See page 47
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
Inside the wing box assemble the half frame (Item1-2 and item 3-4)  with the positioning template ME62001Z01-SBF2000-358 and attach the assembly 
with screws
Resting on the cup assembly, position the assembly in contact to rib 5 and bearing on tool MA40301Z01-FGFB112/122500010
Check that the half-frames rest properly on the upper wing panel,
Attach the assembly to cup assembly with screws,
Insert shim (item 23) between half-frame (item 3-4) and rib 4, adjust shim thickness if necessary
Tool MA40301Z01-
FGFB112/122500010
Rib 4
Half-frame Item 1-2
FGFB112500011W1P01 / 
FGFB122500011W1P01
Half-frame Item 3-4
112500012W1 / 
122500012W1
Rib 5
Cup assembly 
Positioning template
ME62001Z01-SBF2000-358
Shim Item 23 (between Rib 4 
and half-frame)
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### Page 33

PAGE 22/49
INSTALLATION OF DRY BAY STRUCTURE
Drill both dia. 0.1 in. ( Dia. 2.5 mm) pre-drilled holes of the half-frames in the upper surface skin
Drill both dia. 0.1 in. ( Dia. 2.5 mm) pre-drilled holes of the half-frames in the Rib 4
Attach the half-frames to the upper surface skin and the rib 4 with shim item 23
Drill rib 5 holes, dia. 0.1 in. (Dia.  2.5 mm) then dia. .161 in. (dia. 4,1 mm) into half-frame (Item 1-2)
 with drill bush MA48401-01
Revision 2
February 15, 2010
Rib 5
Drill
half-frame/rib 5 link
Half-frame Item 1-2
FGFB112500011W1P01 / 
FGFB122500011W1P01
DRY BAY  APPENDIX-1
 Drill bush
MA48401-01
Rib 5
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### Page 34

PAGE 23/49
INSTALLATION OF DRY BAY STRUCTURE
Drill rib 4/half-frame link to dia. 0.158 in.(dia. 4mm) using tool MA48401Z01-FGFB112/122500010
Revision 2
February 15, 2010
Rib 4
Drill half-frame/rib 4 
link
Half-frame Item 3-4
FGFB112500012W1/
FGFB122500012W1
DRY BAY  APPENDIX-1
Tool MA48401Z01-
FGFB112/122500010
Rib 4
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### Page 35

PAGE 24/49
ASSEMBLING THE DRY BAY
Cleco the drilling template MA48401Z01-FGFB116/126 and bore to a diameter of  0.158 in. (Ø4mm)  
 the linking half-frames / upper wing surface
Disassemble and deburr the assembly
Preparation of shim Item 19-20
On shim Item 19-20 mark and drill a dia 0.204 in.(dia. 5.2) hole
Revision 2
February 15, 2010
Shim Item 19-20 
FGFB112500016/
FGFB122500016
16 x  dia. 0.158 in.
(dia. 4 mm)
1 x  dia. 0.1 in.
(Ø2,5 mm)
DRY BAY  APPENDIX-1
Tool MA48401Z01-
FGFB116/126
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### Page 36

PAGE 25/49
ASSEMBLING THE DRY BAY
Drill cup assembly on workbench
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
NOTE: Use the same tool as that used to drill the lower panel stiffener
Pin  tool MA48401Z01-FGFB112/122500003 to the cup assembly  (item 7-9/8-10) and pre-drill to a diameter of  0.1 in. (Dia. 2.5 mm)
Pin and position the plug (item 17-18) on the cup assembly (see DETAIL A)
Drill dia 0.1 in. (Dia. 2.5 mm) pre-drill hole of cup assembly in the plug,
Pin  tool MA48401Z01-FGFB112/122500003 to the cup assembly  and drill to a diameter of  0.158 in. (Dia. 4 mm)
Pin the plug to tool MA48401Z01-FGFB112/122500003 and drill to a diameter of  0.158 in. (Dia. 4 mm)
DETAIL A
Shim 0.06 in.
 (1.5 mm)
 Plug FGFB112/122500008
Item 17-18
Tool MA48401Z01-
FGFB112/122500003
Cup assembly
Plug
Cup assembly
.03 in.
0.8 mm
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### Page 37

PAGE 26/49
ASSEMBLING THE DRY BAY
Remove, deburr and reinstall the assembly
MEASUREMENT OF FRAME CLEARANCES BETWEEN RIB 4 / RIB 5 
AND BETWEEN THE CUP AND THE UPPER WING SURFACE 
Areas to check: Half frame Item 1-2 and rib 5
Half frame Item 3-4 and rib 4
Half frame Item 1-2 and Item 3-4  and the upper wing surface
Cup assembly Item 7-8 and Item 9-10 with the stiffener of the lower wing surface
Plug Item 17-18 with the stiffener of the lower wing surface
Remove, clean and deburr the assembly
Put protections on the areas to be liquid shimmed: red adhesive tape reference CFR AVF HP or teflon tape
Sand  the areas to be liquid shimmed
Clean with authorized solvent
Spread filling compound (See Standard Practices 20-320)
Revision 2
February 15, 2010
RIB 4
HALF FRAME Item 3-4
  FGFB112500012W1 / 
FGFB122500012W1
RIB 5
UPPER WING SURFACE
STIFFENER
LOWER WING SURFACE
Measure and inject filler if =>0.002 in. 
( 0.05 mm ) <GAP
CUP ASSEMBLY 7-9/ 8-10
FGFB112500003 /FGFB112500004
FGFB122500003 /FGFB122500004
PLUG ITEM 17-18
FGFB112500008 / 
FGFB122500008
HALF FRAME ITEM 1-2
FGFB112500011W1P01 / 
FGFB122500011W1P01
Measure and inject liquid shim if  => 0.05 mm < Clearance
DRY BAY  APPENDIX-1
NOTE 1: Do not work on wing while liquid shim is drying.
NOTE 2: Apply Filleralu at the end of the day so that it can dry during the night
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### Page 38

PAGE 27/49
ASSEMBLING THE DRY BAY
Drill links half frame/cup assembly to final hole size
Disassemble, clean and deburr the assembly
See page 48 for boring tolerances
Revision 2
February 15, 2010
13 x hole drilled to dia.5H9
7 x hole drilled to dia.5U9
16 x holes drilled to 
dia.5U9 + countersink
1 x hole drilled to dia.4U9 
+ countersink
8 x hole drilled to dia.4.4 U9Rib 5
Rib 4
Rib 5
Lower surface panel
DRY BAY  APPENDIX-1
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### Page 39

PAGE 28/49
Revision 2
February 15, 2010
DETAIL OF RIB 5 SPLICE
RIB 5
DRY BAY FRAME
RIB 5 REINFORCEMENT
CORDON DE PR A REALISER
PAR L’INTERMEDIAIRE DE
2 + 2 TROUS Ø2,3mm D'INJECTION
DRILLING THE PR INJECTION HOLES IN LOWER AND UPPER SURFACES AT RIB 5
DETAIL OF RIB 5 SPLICE
SEALANT BEAD TO REALIZE WITH 
2 + 2 INJECTION HOLES DIA. 0.09 in. (2,3mm) 
DRY BAY  APPENDIX-1
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### Page 40

PAGE 29/49
Record the dimensions between the attachments of rib 5 reinforcement and the edge of rib 5 reinforcement baseplate (.35 in. 9mm PM)
Draw the edge of rib 5 reinforcement baseplate on the skin
Draw the middle line at .79 in. (20 mm) from the edge of rib 5 reinforcement baseplate
   (This line represents the interface between rib 5 and rib 5 reinforcement)
Locate the drilling positions with the attachment marks
DO NOT DRILL IF A CENTER-TO-CENTER DISTANCE OF .55 in, MIN (14 MM MIN.) CANNOT BE OBTAINED
February 15, 2010
Mark the center point of each drilling position at the interface between rib 5 reinforcement and rib 5; check that this point is located at 0.55 in.  MIN (14 
mm mini) from each attachment
Revision 2
1
2
4
3
1
2
3
4
LOWER SURFACE BOTTOM VIEW L/H
POSITIONING OF LOWER SURFACE HOLES DRILLED FOR PR INJECTION
EDGE OF RIB 5 REINFORCEMENT BASEPLATE
2 DIA. 0.09 in. (Ø 2.3 mm) holes drilled for interlaying 
sealantFWD
MIDDLE 
LINE
REAR SPAR
RIB 5
A/C CENTERLINE
UPPER SURFACE 
PANELthick,ness 0.16 
in. (4 mm) LOWER SURFACE 
PANEL thickness 0,20 
in. (5 mm)
SECTION A-A
Be very careful when drilling here 
DRY BAY  APPENDIX-1
  Ø 0,09 in. 
 ( Ø  2.3)   
1784 
1785 
1786 
1787 
1788 
1789 
1799 
1792 
1793 
1794 
1795 
1796 
1797 
1798 
  .79 in.    
 20 mm    
  .35 in.     
 9 mm         
NOTE
.55 in. MIN
14 mm MINI
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### Page 41

PAGE 30/49
Record the dimensions between the attachments of rib 5 reinforcement and the edge of rib 5 reinforcement baseplate (.35 in. 9 mm for ref.)
Draw the edge of rib 5 reinforcement baseplate on the skin
Draw the middle line at .79 in. (20 mm) from the edge of rib 5 reinforcement baseplate
   (This line represents the interface between rib 5 and rib 5 reinforcement)
Locate the drilling positions with the attachment marks
DO NOT DRILL IF A CENTER-TO-CENTER DISTANCE OF 14 MM MIN. CANNOT BE OBTAINED
February 15, 2010
Mark the center point of each drilling position at the interface between rib 5 reinforcement and rib 5; check that this point is located at    0.55 in.  MIN (14 
mm mini) from each attachment
Revision 2
1
2
4
3
1
2
3
4
UPPER SURFACE TOP VIEW L/H
POSITIONING OF UPPER SURFACE HOLES DRILLED FOR PR INJECTION
EDGE OF RIB 5 REINFORCEMENT BASEPLATE
2 x Ø .09 in.(Ø 2.3 mm) holes drilled for interlaying 
sealant
FWD
MIDDLE LINE
REAR SPAR
RIB 5
A/C CENTERLINE
DRY BAY 
FRAME
SECTION A-A
Be very careful when 
drilling here 
DRY BAY  APPENDIX-1
  Ø 0,09 in. 
 ( Ø  2.3)   
1686  
1687  
1688 
1689 
1690 
1692
1694 
1696 
1698 
1691 
1695
1697
1699 
1693
  .79 in.     
 20 mm       
  .35 in.
 9 mm
LOWER SURFACE 
PANEL thickness 0,20 
in. (5 mm)
UPPER SURFACE 
PANELthick,ness 0.16 
in. (4 mm)
NOTE
.55 in. MIN
14 mm MINI
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### Page 42

PAGE 31/49
1) Punch the 2 holes in the skin: depth = .02 in. MAX ( 0.5 mm MAX).  
Ask a checker to check for a margin of .55 in. MIN (14 mm MIN.) between the 2 punch marks and the surrounding attachment fittings  
 
2) Pre-drill the PR injection holes at Ø .079 in. ( 2 mm)
Before drilling, check that the flat-tip drill bit diameter is .09 in. (2.3 mm) 
and the adjustment of the drill bit stop height  (equal to the skin thickness)
Fill the table 2 in ANNEXE 4
3) Drill to final diameter with  drill bit Ø .09 in. (Ø2.3 mm). 
Revision 2
February 15, 2010
Fill the table 1 in ANNEXE 4 
Before pre-drilling, ask an inspector to check that the drill bit has a diameter of .079 in. (2 mm) and check the adjustment of the drill bit stop 
(equal to the skin thickness)
DRILLING THE PR INJECTION HOLES
DRY BAY  APPENDIX-1
NOTE: Lower skin .20 in. (5 mm) stop depth
             Upper skin .16 in. (4 mm) stop depth
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### Page 43

PAGE 32/49
 INJECTING SEALANT INTO LOWER AND UPPER PANEL AND INTO RIB 5
PRIOR TO PR INJECTION
1) Clean the dia. 0.09 in.bore  (Ø2.3 mm) on lower and upper panel
2) Inject authorized solvent (with a spout type container) in each doubler hole to clean the interface (doubler / rib 5) )
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
FIRST CLEAN AND DEGREASE CAREFULLY THE ASSEMBLY AREA
CAUTION : PRIOR TO STARTING SEALANT APPLICATION, ALL DRILLINGS MUST HAVE BEEN 
PERFORMED, TO AVOID POLLUTING FRESH SEALANT WITH METAL SHAVINGS
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### Page 44

PAGE 33/49
RIB 5/DOUBLER INJECTION AND SEALANT
RIB 5 DOUBLER  INJECTION SEALANT
1) Sealant injection ((with a 1015 PSI (70 bars) extrusion gun fitted with a stiff end-piece)) in the doubler holes from rib 5
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
- insert 2 x 2 item A screws 
- inject PR into item A holes until it flows out of item B holes 
- remove screws from item A holes and fit them into item B holes 
- inject PR into item B holes until it flows out of item C holes 
- remove screws from item B holes and fit them into item C holes 
- inject PR into item C holes
- do the same for item D holes
A
B
B
C
C
D
DETAIL
INJECTION SCREW
Drainage hole
Injection hole
 PR injection  gun MA29501Z00-1
or equivalent (see Appendix 5 page 6)
Fit a stiff end-piece
INJECTION  SCREW
Holes to be injected 
with interlaying sealant
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### Page 45

PAGE 34/49
 INJECTING SEALANT INTO LOWER AND UPPER PANEL AND ON RIB 5
   2) Set each doubler hole on rib 5 with clecos
   3) Remove the excess sealant, then smooth it
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
 Set each doubler hole 
with clecos
Rib 5 doubler
RIB 5
To rib 6
RIB 5
To RIB 4
REAR SPAR
Remove the excess sealant, then smooth it
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### Page 46

PAGE 35/49
 INJECTING SEALANT INTO LOWER AND UPPER PANEL AND ON RIB 5
1) Sealant injection => 1st time inject the sealant in the hole located next to the rear spar, then to the front spar
Revision 2
February 15, 2010
CT Visual control of sealant application
DRY BAY  APPENDIX-1
TOWARD WING ROOT
LOWER WING 
SURFACE
Thickness=5
Rear spar of 
lower upper 
wing surface
Sealant injection 
holes
RIB 5
Rib 5 
doubler
1st injection 
hole
2nd injection 
hole
RIB 5
1st injection 
hole
2nd injection 
hole
RIB 5
UPPER WING 
SURFACE
Rear spar of 
upper wing 
surface
TOWARD WING ROOT
LOWER WING 
SURFACE
Thickness=4
UPPER WING 
SURFACE
Material: 2024 T351
Protection: OAC
Installed with PR
.008 in. (0.2 mm)  
CHAMFER AT 45°
Theoretical thickness. 
-.004 in. , - .0078 in. 
(- 0.1 , -0.2) 
PIN DETAIL
GRIP LENGTH:
 .4 µ in. to .78µ in. 
(10 µ to 20 µ)
2) Check for sealant flow at FWD/AFT end of 
upper/lower channels
3) Blank each injection hole with studs and fresh PR 
at a grip length of .4 µ in. to .78µ in. (10 µ to 20 µ)
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### Page 47

PAGE 36/49
INSTALLATION OF DRY BAY STRUCTURE
 Before tightening, apply interlaying sealant to the underside of the screw heads.
February 15, 2010
 - Final assembly of the lower and upper surface bent sections Item 13-14 and 15-16 of rib 5 foot with sealant (See Standard Practices 20-650)
Revision 2
DRY BAY  APPENDIX-1
1 x screw Item 39 
38472TX060012XF
1 x nut Item 38 6RH8035M
Upper surface  angle 
Item 13-14
FGFB11250006/
FGFB122500006
Lower surface angle
 Item 15- 16
FGFB11250007/
FGFB122500007
Rib 5
2 x screw Item 31 
22201TX050011XF
2 x nut Item 32 5RH8035MRear spar
1 x screw Item 40 38472TX060009XF
1 x nut Item 38 6RH8035M
1 x screw Item 44 
Item38472TX050012XF
1 x nut Item 32 5RH8035M
1 x screw Item 40 
38472TX060009XF
1 x nut Item 38 6RH8035M
Attachment 
direction
Attachment 
direction
Attachment 
direction
Attachment 
direction
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### Page 48

PAGE 37/49
INSTALLATION OF DRY BAY STRUCTURE
ASSEMBLING  ANGLE BACKET  WITH RIB 5
Intall rivets 21215DE4009 (item 57)
Installation of angle bracket (Item 25) + shim (Item 24) with interlaying sealant  (See APPENDIX 2)
Cleco shim (item 24)+ angle bracket (item 25)  and reinforcement with interlay of sealant  
Installation of 3 screws 38471BE044006ME (Item 50) for attachment of angle bracket / reinforcement / rib 5
Installation of 2 screws 38471BE044005ME (item 51) for attachment of reinforcement / rib 5
Installation of 5 rivets 21215DE4011 (item 53) 
Installation of 2 screws 38460BE044006ME (Item 49) for attachment of bracket / reinforcement / rib 5
Installation of 2 screws 38460BE044005ME (item 52) for attachment of reinforcement / rib 5
Screws are installed with 4RH8035M nuts (item 35)
Revision 2
February 15, 2010
Angle bracket Item 25
FGFB113005041 
Rib 5
Shim -Item 24
FGFB113005042
Rib 5 reinforcement ATTACHMENT DIRECTION
DRY BAY  APPENDIX-1
REAR SPAR
Install  rivets Item 57
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### Page 49

PAGE 38/49
INSTALLATION OF DRY BAY STRUCTURE
 INSTALLATION  OF DRAIN PROVISION 
Install angle (item 61-62) and the shim (if you have used tool  ME48401Z01-SBF2000-358 ) with rivet 21215DE32 and interlaying sealant,
Revision 2
February 15, 2010
Rib 4
21215DE3208
Item 55 
Item 61-62
Insert shim if 
necessary
DRY BAY  APPENDIX-1
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### Page 50

PAGE 39/41
INSTALLATION OF DRY BAY STRUCTURE
Assemble all parts with interlaying sealant see Appendix 2
 - Final installation of the cup assembly and plug on the lower surface panel stiffener
Revision 2
February 15, 2010
Lower surface panel
Rib 4
Rib 5
Cup assembly
11 x screw Item 36 
22201TX050008XF
11 x nut Item 32 5RH8035M
2 x screw Item 33 
22201TX050010XF
2 x nut Item 32 5RH8035M
Attachment direction
Plug Item 17-78
FGFB112500008
FGFB122500008
DRY BAY  APPENDIX-1
NOTE: For easier access, screws item 33 and 36 can be installed in the reverse direction.
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 51

PAGE 40/49
INSTALLATION OF DRY BAY STRUCTURE
Filling the recess with bead sealant
Revision 2
February 15, 2010
DRY ZONE
Rib 4
Fill the recess with bead 
sealant
DO NOT BLANK OFF THE 
DRAINING HOLE
Fill the 2 holes with bead sealant 
Do not fill the anchor nuts
Basic sealing methods
See Standard Practices 
20-650
DRY BAY  APPENDIX-1
INTERLAYING SEALANT
COVERING SEALANT
BEAD SEALANT
REAR SPAR
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 52

PAGE 41/49
INSTALLATION OF DRY BAY STRUCTURE
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
Apply sealant strips (See Appendix 2 page5: Sealant application for strips definition)
Apply a coat of covering sealant  in dry bay 
 Sealant strips
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 53

PAGE 42/49
INSTALLATION OF DRY BAY STRUCTURE
Assembling all parts with interlaying sealant: see Appendix 2
 - Final assembly of the half-frames
Revision 2
February 15, 2010
1 x screw Item 42 38471BE040008ME
1 x nut Item 35 4RH8035M
Detail 1
Detail 1
Shim Item 19-20
FGFB112500016/
FGFB122500016
Attachment 
direction
15 x screw Item 41 
22258TX050008XF
15 x nut Item 32 5RH8035M1 x Screw Item 43 
22258TX050010XF
1 x nut Item 32 5RH8035M
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 54

PAGE 43/49
INSTALLATION OF DRY BAY STRUCTURE
 - Final installation of the half-frames
Final assembly check
Revision 2
February 15, 2010
Rib 4 Rib 5
Half-frame Item 3-4
FGFB112500012W1/
FGFB122500012W1
Shim Item 23
FGFB112500015
7 x screw 22201TX050007XF
7 x nut 5RH8035M
8 x screw Item 49 
38460BE044006ME
+
8 x nut Item 35 4RH8035M
Attachment 
direction
Attachment 
direction
Attachment 
direction
CT
Half-frame Item 1-2
FGFB112500011W1P01 / 
FGFB122500011W1P01
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 55

PAGE 44/49
INSTALLATION OF DRY BAY STRUCTURE
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
Make all sealant beads as per Appendix 2: Sealant application,
Once all sealant beads are dry, apply a coat of covering sealant in the dry bay, on Rib 5 and on sealant strips
Rib 5
Covering sealant on Rib 5 Covering sealant on sealant strips
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 56

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INSTALLATION OF DRY BAY STRUCTURE
After sealing of dry bay box structure with sealant as per APPENDIX 2
Check for cleanliness of dry bay box structure before closing
Install door with  interlaying sealant
Sealing finish with sealant on door as per APPENDIX 2
Revision 2
February 15, 2010
CT
Rib 5
Rib 4
Lower surface panel
Door Item 5-6
FGFB112500002/
FGFB122500002
Rear spar
25 x screw Item 45 22201TX050007XF
25 x washer Item 46 23111DG050A
14 x screw Item 33 22201TX050010XF
14 x washer  Item 46 23111DG050A
FUEL ZONE DRY ZONE
Rib 5
Rib 4
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 57

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IDENTIFICATION OF SERVICE BULLETIN
1) In the landing gear compartment, clean and degrease the area above the wing identification plate 
(2) Write the number of this Service Bulletin on the “SERVICE BULLETIN COMPLIANCE”
labels and bond them with PR to each wing, above the identification plate.
Revision 2
February 15, 2010
DRY BAY  APPENDIX-1
Identification plate,
Intall this plate once the 
leak check has been 
succesfully completed
NOTE:
For FALCON 2000, 2000EX and 2000DX aircraft (refer to SB F2000-358 Page 5 or SB F2000EX-171 Page 5) ), replace the fuel door placard. The placards on the wing upper 
surface must be replaced with the "New Fuel Quantity" placards.
For FALCON 50 aircraft (refer to SB F50-496 Page 5), replace the fuel door placard. The placards on the wing upper surface must be replaced with the new ones (No Fuel 
Quantity).
For some FALCON 900 aircraft (refer to SB F900-388 Page 5), the placards on the wing upper surface must be replaced with the new ones (No Fuel Quantity).
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 58

PAGE 47/49
Revision 2
February 15, 2010
0.39 in.
10 mm
Frame machining allowed in order to increase 
the gap between the fasteners rib 5 / wing 
upper panel and the frame
+ alodine protection, PPR + PAC + finishing 
paint
Spot facing Ø12-R2
allowed if required
+ alodine protection, PPR + PAC
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 59

PAGE 48/49
Check the tightening torque and re-tightening torque of fasteners
Check that all screws and MGPL (nuts, bushes) are properly installed, heads flush
8 141.6
0.2
0.35
0.75
1.2
1.6
17.7
31
66.4
SCREW
0.236
0.276 106.2
0.315SCREW
SCREW
SCREW
SCREW
0.158
0.205
4
5
6
7
Ø inch Ø mm Torque lfb.in. Torque mdaN
Revision 2
February 15, 2010
TIGHTENING TORQUE
METRIC FASTENER
(as per STD 30908)
CT
Dia. 4U9   (-23µ , -53µ)
Dia. 0.158 in. (-0.9 µin.; -2.1 µin.)
Dia. 4,4U9  (-23µ , -53µ)
Dia. 0.173 in. (-0.9 µin.; -2.1 µin.)
Dia. 5U9 (-23µ , -53µ)
Dia. 0.197 in. (-0.9 µin. - 2.1 µin)
Dia. 6.2 D10 ( +40  
Dia. 0,244 in. (+1.5 µin. +3.9 µin.) 
’LD’  
Dia. 0.205 in. (+1.2 µin. +3.1 µin.)
Dia. 5.2 H9 ( +0  
Dia.  0,205 in. (+0 µin. +1.8 µin.) 
’LD+  
Dia. 0,197 in. (+0 µin. +1.8 µin.)
BORING TOLERANCES
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

### Page 60

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FINAL STEPS
F50 F900 F900EX F2000 F2000EX
57-400 57-011 57-011 57-011 57-011
27-811 27-811 27-811 27-811 27-811
Paint the pickling area in accordance with the paint scheme used for the exterior of the aircraft.
Revision 2
February 15, 2010
Install the flap actuator, 
(L25CF/R25CF)
see procedure
27-568 27-521 27-510 27-510 27-510
Retract the flaps,
see procedure
Install the wing’s structural  fuel tank
removable panel,
see procedure
 See DRY BAY  APPENDIX-3  HYDROGEN PRESSURE TEST FOR DRY BAY
DRY BAY  APPENDIX-1
This document is the intellectual property of DASSAULT AVIATION. It may not be used, reproduced, modified or disclosed without its authorization. DASSAULT AVIATION Proprietary Data.

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