## Service Bulletin Fokker 70/100

Page 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17

Revision - - - - - - - - - - - - - - - - -
Page 18 19 20 21 22 23 24 25

Revision - - - - - - - -
Attachments 15 Drawing sheets. For a detailed listing refer to page 13.

Aug 17/12 SBF100-28-069 Page 1

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. 1. Planning Information

A. Effectivity

(1) F28 Mark 0070/0100 aircraft serial numbers 11244 thru 11585

(2) Production version of this modification: Not applicable.

B. Concurrent Requirements

(1) Not applicable.

C. Reason

(1) The design review of the F28 Mk 0070/0100 fuel system in accordance with the guidelines related to FAA SFAR 88 and JAA INT/POL/25/12 revealed that an unsafe condition may develop because no controlled bonding provisions are present on a number of critical locations, inside the Fuel Tank or connected to the Fuel Tank Wall.

(2) This Service Bulletin gives instructions to introduce additional bonding provisions. FUEL

“This Service Bulletin is associated with the Fuel Tank Safety Program”



### General - Installation of Addi tional Bonding Provisions

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 2

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. D. Description

(1) This Service Bulletin is divided into ten parts as follows:

Part 1 The Introduction of Bonding Provisions on the Sniffle Valve Line (Applicable for aircraft serial number 11244 up to and including 11585).

This Part tells you how to:

- Install bonding provisions on the feed-troughs on the LH and RH wing rearspars - Install bonding provisions on the ventilation lines that connect to the LH and RH Sniffle Valves.

Part 2 The Introduction of Bonding Provisions on the Vent Collector Tank (Applicable for aircraft serial number 11442 up to and including 11585).

This Part tells you how to:

- Rework the contact surface at two locations.

Part 3 The Introduction of Bonding Provisions on the Overflow Valve of the Center Wing Bag Tank (CWBT (Applicable for aircraft serial number 11244 up to and including 11441).

This Part tells you how to:

- Remove and keep the Centre-Tank Overflow-Valve Actuator - Rework the contact surface at two locations - Install the Centre-Tank Overflow-Valve Actuator.

Part 4 The Introduction of Bonding Provisions on the Suction Relief Valve line of the Center-Wing Bag Tank (CWBT) (Applicable for aircraft serial number 11244 up to and including 11350).

This Part tells you how to:

- Rework the contact surface on the Suction Relief Line - Install a replacement bonding clamp.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 3

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 5 The Introduction of Bonding Provisions on the Access Panel of the Integral Centre Wing Tank (ICWT). (Applicable for aircraft serial number 11442 up to and including 11585 if equipped with an ICWT).

This Part tells you how to: - Remove the Outer Access Panel of the ICWT - Remove 8 inner Access Panel bolts - Rework the contact surfaces at the 8 bolt locations - Install the 8 Inner Access Panel bolts - Install the outer Access Panel of the ICWT.

Part 6 The introduction of Bonding Provisions on the LH and RH Boost Pumps (Applicable for aircraft serial number 11244 up to and including 11585).

This Part tells you to: - Remove and keep the Boost Pump. - Rework and prepare the bonding surfaces at two bolt locations - Install the Boost Pump.

Part 7 The introduction of Bonding Provisions on the LH and RH Ventilation Float Valve (Applicable for aircraft serial number11244 up to and including 11585).
This Part tells you to: - Remove and keep the Ventilation Float Valve - Rework and prepare the bonding surfaces at two bolt locations - Install Ventilation Float Valve.

Part 8 The introduction of Bonding Provisions on the LH and RH Overflow Valve (Applicable for aircraft serial number 11442 up to and including 11585 if equipped with an ICWT).
This Part tells you to: - Remove and keep Overflow Valve - Rework and prepare the bonding surfaces at two bolt locations - Install the Overflow Valve.

Part 9 The introduction of Bonding Provisions on the LH and RH Fueling Shut-off Valve (Applicable for aircraft serial number11244 up to and including 11585).
This Part tells you to: - Remove and keep Fueling Shut-off Valve - Rework and prepare the bonding surfaces at two bolt locations - Install the Fueling Shut-off Valve.

Part 10 Job Close-up.
This Part tells you to: - Do the Tank Closure Inspection - Close Access Panels - Refuel the Aircraft - Examine the closed panels for fuel leaks.

NOTE : Incorporation of this Service Bulletin is only complete when all Parts that are applicable to the aircraft serial number mentioned in the individual Parts are incorporated.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 4

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. NOTE : Parts 1, 2, 7, 8 and 9 require work inside the fuel tank. Parts 3, 4, 5 and 6 require work outside the tank. Draining the tank is recommended.

E. Compliance

(1) Recommended.

Fokker Services recommends the accomplishment of Parts 1, 2, 7, 8 and 9 of this Service Bulletin within 7 years after the issue date of this Service Bulletin.

NOTE : Do these Parts of the Service Bulletin at a scheduled tank opening before the above compliance date.

(2) Fokker Services recommends the accomplishment of Parts 3, 4, 5 and 6 of this Service Bulletin within 2 years after the issue date of this Service Bulletin.

NOTE : It is expected that EASA will issue an Airworthiness Directive (AD) with respect to this subject with the same compliance terms. Refer to the EASA website for the publication of a Proposed Airworthiness Directive for comments.

F. Approval

(1) The technical content of this document is approved under the authority of DOA nr. EASA.21J.059.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 5

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. G. Manpower

(1) Approximately 4 man-hours are necessary to do Part 1 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0- 1,0
Installation 1 2,0 2,0 Testing - - - Total 1 4,0 4,0

(2) Approximately 3 man-hours are necessary to do Part 2 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

(3) Approximately 3 man-hours are necessary to do Part 3 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 6

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. (4) Approximately 5 man-hours are necessary to do Part 4 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 2,0 2,0
Installation 1 2,0 2,0 Testing - - - Total 1 5,0 5,0

(5) Approximately 3 man-hours are necessary to do Part 5 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

(6) Approximately 3 man-hours are necessary to do Part 6 of this Service Bulletin on one aircraft

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 7

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. (7) Approximately 3 man-hours are necessary to do Part 7 of this Service Bulletin on one aircraft

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

(8) Approximately 3 man-hours are necessary to do Part 8 of this Service Bulletin on one aircraft

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

(9) Approximately 3 man-hours are necessary to do Part 9 of this Service Bulletin on one aircraft

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal 1 1,0 1,0 Modification Inspection 1 1,0 1,0
Installation 1 1,0 1,0 Testing - - - Total 1 3,0 3,0

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 8

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. (10) Approximately 4 man-hours are necessary to do Part 10 of this Service Bulletin on one aircraft.

This table of manpower will help you to schedule and do this Service Bulletin:

Instructions Men Man-hours Elapsed time (hours) Removal - - Modification Inspection - - - Installation Testing 2 6,0 3,0 Total 2 6,0 3,0

NOTE : This estimate does not include the time necessary: - for the paint to dry and/or the sealant to cure - to drain the fuel tanks - to ventilate the fuel tank necessary for safe maintenance - to refuel the aircraft.

(11) The estimated hours are for direct l abor done by experienced personnel. They are calculated based on the conditions given in SBF100-00-001 (Service Bulletin Introduction, section 2.C., "Manpower").

H. Weight and Balance

(1) Weight change: None Index change: None.

I. Electrical Load Data

(1) Not changed.

J. Software Accomplishment Summary

(1) Not applicable.

K. References

(1) Fokker 70/100 Aircraft Maintenance Manual (AMM) Fokker 70/100 Wiring Manual (WM) Fokker Consumable Material List (CML) Fokker drawing(s): refer to page 13 Fokker internal reference(s): - ECR 15105.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 9

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. L. Publications Affected

(1) This SB affects the publications listed below:

(a) Maintenance Documentation

- Fokker 70/100 Aircraft Maintenance Manual (AMM) - chapter 28-00, 28-11, 28-12, 28-15, 28-21 28-22 - Fokker 70/100 Illustrated Parts Catalog (IPC) - chapter 28-15, 28-22

NOTE : See attached Manual Change Notification MCNM F100-146.

(b) Maintenance Programs

- Fokker 70/100 Maintenance Planning Document (MPD) - Fokker 70/100 Customized Maintenance Program (CMP).

(c) Special Instructions for Continued Airworthiness (ICA)

The effect of this Service Bulletin on the special ICA is as follows:

YES NO - Electrical Wiring Interconnection System (EWIS) - X - Fuel Tank Safety (FTS) X - - Damage Tolerance of Fatigue Critical Structure - X - Certification Maintenance Requirements (CMR) - X

NOTE : If “YES”, when not already incorporated, the changed ICA will be incorporated in the MRB, the Airworthiness Limitations Section (ALS) and/or the AMM document(s) within one calendar year from the date of issue of this Service Bulletin. Until then, the Fuel ALI’s and the CDCCL items as specified below shall be followed.
FUEL ALI-1: A detailed inspection of the electrical bonding provisions of fuel lines, ventilation lines and components inside or connected to the wing tanks shall be carried out to verify all bonding provisions required per design are present, properly installed and in good condition. Any anomalies shall be corrected.
FUEL ALI-2: A detailed inspection of the electrical bonding provisions of fuel lines, ventilation lines and components inside or connected to the ICWT shall be carried out to verify all bonding provisions required per design are present, properly installed and in good condition. Any anomalies shall be corrected.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 10

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. FUEL ALI-3: A detailed inspection of the electrical bonding provisions of the CWBT fueling / transfer manifold and connected fuel lines, of the ventilation line between suction relief valve and front spar (if installed) and of the CWT compartment drain manifold with connected fuel lines and flame arrestor shall be carried out to verify that all bonding provisions required per design are present, properly installed and in good condition. Any anomalies shall be corrected.

NOTE : Fuel ALI-1 and Fuel ALI-2 are already incorporated in report SE672 issue 3 (part of the ALS) as Fuel ALI number 280000-00-04 and 280000-00-05 respectively. The text of Fuel ALI 280000-00-07 in report SE-672 issue 3 must be replaced with the text of Fuel ALI-3 above.
Inspection interval for FUEL ALI’s : The inspection interval for the Fuel ALI’s is 8 years. The first repeat inspection for the bonding provisions introduced with this Service Bulletin must be performed within 8 years after accomplishment of this SB.

NOTE : The Fuel ALI shall be performed in accordance with the instructions in the AMM changed in accordance with the instructions in the attached MCNM F100-146.
CDCCL: It shall be ensured that the configuration and quality of the bonding provisions of fuel lines, ventilation lines and components inside or connected to the wing tanks are conforming to the design (ref. NC 4.610/xxx).
CDCCL: It shall be ensured that the configuration and quality of the bonding provisions of fuel lines, ventilation lines and components inside or connected to the ICWT are conforming to the design (ref. NC 4.610/xxx).
CDCCL: It shall be ensured that the configuration and quality of bonding provisions of fuel lines and ventilation lines connected to the CWBT and of the drain line of the CWBT compartment are conforming to the design (ref. NC 4.610/xxx).

NOTE 1 : These CDCCL’s are already incorporated in report SE-672 issue 3 (part of the ALS) as CDCCL number 6, 7 and 8 respectively.

NOTE 2 : The CDCCL’s shall be performed in accordance with the instructions in the AMM, changed in accordance with the instructions in the attached MCNM F100-146.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 11

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. (d) Operational Documentation

Not affected.

(2) Report to Fokker Services that this SB has been carried out on the applicable aircraft. Send to Fokker Services the “Service Bulletin Reporting Quality Form” of this SB, see last SB page.

NOTE : Completion of this form is not a formal part of accomplishment of the Service Bulletin itself and hence not a requirement.

(3) For incorporation of this Service Bulletin in your documentation refer to SBF100-00-001 (Service Bulletin Introduction, section 4 "Incorporation of Service Bulletins in Documentation of Fokker Services").

(4) Accomplishment of this SB is only complete with incorporation of the manual change(s), per the ref. MCNM/MCNO, Temporary Revision or General Revision

M. Interchangeability or Intermixability of Parts

(1) Not applicable.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 12

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. 2. Material Information

A. Material – Price and Availability

(1) You can order the necessary parts against list price.

(2) The materials are local source items.

B. Material Required

(1) These parts, which are necessary to complete this Service Bulletin on 1 aircraft, are not part of the mod kit.

New Part Number Qty Keyword Info Old Part Number Instructions/ * 1 * 2 Disposition AN735D16 2 - Clamp - Local source AN742D16 - 2 Clamp - Local source F0N2-1616V04-08 2 - Bolt - Local source F0N2-3306-05010 2 1 Cupal washer - Local source F0N9-1901C200C - - Bonding lead AMP p/n 8-0161117-9 Local source

F0N9-1901C75C 2 - Bonding lead AMP p/n 8-0161117-3 Local source

MS21042L3 2 1 Nut - Local source NAS1100-3-10 - 2 Screw - - Local source NAS1133-3 2 - Bolt - Local source NAS1149D0332K 4 2 Washer - - Local Source

NAS1581C3T13P 4* 3 Screw - - Local Source NAS1581C13T17P 4* 3 Screw - - Local Source

- AR* Sealant Fk09-002** Local source - AR* AR* Solvent Fk11-007** Local source

NOTES : * Use as much as necessary ** Refer to the CML for material numbers.

* 1 Applicable to Part 1 (a/c 11244 up to and including 11585)

* 2 Applicable to Part 4 (a/c 11244 up to and including 11350)

* 3 Applicable to Part 6 (a/c 11244 up to and including 11585)

(2) These mod kit parts are necessary to do this Service Bulletin on 1 aircraft.

(a) Not applicable.

C. Tooling – Price and Availability

(1) Not applicable.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 13

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. D. Drawings Required

(1) These drawings are necessary to do this Service Bulletin:

Drawing Sheet Issue Size Description Aircraft Effectivity W31036 001 A A3 RF Inst Access Panel ICWT 11442 and up (If equipped with an ICWT) W69280 001 A A3 RF Fuel system in LH Wing All W69350 001 A A3 RF Fuel system in RH Wing All W69285 001 A A3 RF Install Vent Tank 11442 and up W69200 001 A A3 RF Fuel System in Collector Tank (LH) 11244 – 11441

W69200 002 B A3 RF Fuel System in Collector Tank Booster Pumps (LH) All

W69200 003 B A3 RF Fuel System in Collector Tank Overflow Valve(LH) 11442 and up (If equipped with an ICWT W69200 004 B A3 RF Fuel System in Collector Tank Valve Shut-off (LH) All

W69240 001 A A3 RF Fuel System in Collector Tank (RH) 11244 – 11441

W69240 002 B A3 RF Fuel System in Collector Tank Booster Pumps(RH) All

W69240 003 B A3 RF Fuel System in Collector Tank Overflow Valve(RH) 11442 and up (If equipped with an ICWT W69240 004 B A3 RF Fuel System in Collector Tank Valve Shut-off (RH) All

W69335 001 - A3 RF Fuel System in Main Tank Valve Ventilation Float (LH) All

W69405 001 - A3 RF Fuel System in Main Tank Valve Ventilation Float (RH) All

W69710 004 B A3 RF Vent System Bag Tanks 11244 – 11350

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 14

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. 3. Accomplishment Instructions

General:



### - Loosen the cable clamps where necessary. - Remove and discard the cable ties where necessary. - Remove and discard the lacing tape where necessary.

- Use cable ties and lacing tape where necessary. - Use cable clamps where necessary. - Refer to the WM for: - The removal and installation of the wires, chapter 20-13-03, - The NC 4 codes, chapter 20-13-05, - The flag identifier codes, chapter 20-13-15, - Component Location, chapter 91-21-XX.

- For CML material number references, refer to “Myfokkerfleet.com/Documentation/CML”.

- For Standards and Process Manual (SPM) references, refer to

“Myfokkerfleet.com/Documentation/SPM”. - For the application of Primer and Paint, refer to the AMM, chapter 51-21-00.

WARNING : BE CAREFUL WHEN YOU USE THE CONSUMABLE MATERIALS. OBEY THE INSTRUCTIONS AND MANUFACTURER'S HEALTH AND SAFETY INSTRUCTIONS.

A. Prepare the aircraft.

(1) Remove the electrical power from the aircraft. Refer to AMM task 24-00-00-860-912A.

(2) Disconnect the batteries. Refer to AMM task 24-00-00-860-882A.

(3) Put up warning signs to tell persons: - DO NOT CONNECT THE BATTERIES - DO NOT CONNECT THE ELECTRICAL POWER.

(4) Drain the Fuel Tanks. Refer to AMM task 12-11-03-600-813A.

(5) For Parts 1, 2, 7, 8 and 9 of this Service Bulletin refer to AMM task 28-11-00-860- 813A – Safety Precautions for maintenance in the Main Tank.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 15

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 1 The Introduction of Bonding Provisions on the Sniffle Valve Line. Refer to drawings W69280 sheet 001 (LH) and W69350 sheet 001 (RH).

NOTE : This part is applicable for aircraft serial number 11244 up to and including 11585.

A. Open these access panels: - 536GB and 526AB for the LH sniffle valve - 636GB and 626CB for the RH sniffle valve.

B. From the bottom position on the wing rear-spar feed-through of the sniffle-valve line, remove and keep:

NOTE : Refer to drawing sheets for the correct location of the bolt to be removed.

- 1 washer NAS1252-416L - 1 nut MS21042-L4. - 1 bolt (remove and discard) F0N2-1614V04-06

C. Prepare the area around the bolt-hole in accordance with AMM task 20-13-05-910-812A.

D. Prepare the area for the bonding provision of the sniffle valve line, refer to the drawing sheets and to WM part 1, chapter 20-13-05.

E. On the wing rear-spar feed-trough, install the bonding lead in accordance with wiring Manual 20-13-05, NC4.610/942 and WM part 1, chapter 20-13-05.

(1) Install on the inside of the tank the washer and nut you removed in step B. Apply sealant on the shank of the bolt only Use:

- 1 cupal washer F0N2-3306-05010 - 1 bonding lead F0N9-1901C75C. - 1 bolt F0N2-1216V04-08 - 1 washer (removed in step B) - 1 nut (removed in step B)

(2) Apply a fillet sealant on the installed bolt, nut and terminal in accordance with WM part 1, chapter 20-13-05.

F. On the sniffle-valve line, install the bonding provisions and connect the bonding lead in accordance with Wiring Manual 20-13-05 NC4.610/910 and WM part 1, chapter 20-13-05. Use: - 1 clamp AN735D16 - 1 bolt NAS1133-3 - 2 washers NAS1149D0332K - 1 nut MS21042L3.

G. Do steps B thru F on the opposite wing.

H. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 16

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 2 The Introduction of Bonding Provisions on the LH and the RH Vent Collector Tank. Refer to drawing W69285 sheet 1.

NOTE : This part is only applicable for aircraft serial number 11442 up to and including 11585.

A. Open these access panels: - 523AB for the LH Vent Collector Tank - 623AB for the RH Vent Collector Tank.

B. Get access to the Vent Collector Tank installation bolts.

C. Remove and keep one of the bolts and washers from the vent-collector-tank mountingbracket, refer to AMM task 28-15-09-000-814A and the drawing sheet for more information of the correct location of the bolt.

D. Prepare the bond surface under the head of the removed bolt in accordance with NC4.610/935 (refer to AMM task 28-00-00-390-812A and WM part 1, chapter 20-13-05).

E. Remove dust and grease from the prepared area and the bolt and washer. Use - AR solvent (white spirit) (FK11-007)

F. Re-install the bolt and the washer you removed in step C. Refer to AMM task 28-15-09-400- 814A for more information.

G. Do steps C thru F for the other bolt.

H. Do steps B thru G on the Vent Collector Tank in the opposite wing.

I. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 17

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 3 The Introduction of Bonding Provisions on the Overflow Valve of the Center Wing Bag Tank (CWBT). Refer to drawings W69200 sheet 001 (LH) and W69240 sheet 001 (RH).

NOTE : This part is only applicable for aircraft serial number 11244 up to and including 11441.

A. Get access to the Center-Tank Overflow-Valve Actuator, open access panels: - 515GB for the LH Overflow-Valve Actuator - 615GB for the RH Overflow-Valve Actuator.

B. Remove and keep the Center-Tank Overflow-Valve Actuator, refer to AMM task 28-21-08- 000-814A.

C. Remove and keep the nut and washer from two of the studs that hold the Center-Tank Overflow-Valve, refer to AMM task 28-21-08-000-824A and the drawing sheets for the correct location of the two studs.

D. Prepare the bond surface on the front spar under the washers in accordance with Wiring Manual 20-13-05 NC4.610/935 and WM part 1, chapter 20-13-05 as shown on the drawing sheets.

E. Remove dust and grease from the prepared areas and the nuts. Use - A solvent (white spirit) (FK11-007)

F. Install the washers and nuts on the studs of the Center-Tank Overflow-Valve, refer to AMM task 28-21-08-400-824A.

G. Install the Center-Tank Overflow-Valve-Actuator refer to AMM task 28-21-08-400-814A.

H. Do steps B thru G for the overflow valve on the opposite wing.

I. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 18

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 4 The Introduction of Bonding Provisions on the Suction Relief Valve line of the Center Wing Bag Tank (CWBT). Refer to W69710 sheet 004.

NOTE : This part is only applicable for aircraft serial number 11244 up to and including 11350.

A. Get access to the work area near the Suction Relief Valve, open access panels: - 167AL for the LH system - 168AR for the RH system.

B. If required for access, remove and keep the Suction Relief Valve, refer to AMM task 28-15- 06-000-814A.

C. Install the new bonding lead on the clamp in accordance with wiring Manual 20-13-05 NC6.610/905 as shown on the drawing sheet. Remove and discard the screw NAS1100-3-7 and washer NAS1252-10L. Use: - 1 screw NAS1100-3-10 - 1 cupal washer F0N2-3306-05010 - 1 bonding lead F0N9-1901C200C - 1 washer NAS1149D0332K

D. Install a new clamp on the ventilation tube in accordance with wiring Manual 20-13-05 NC6.610/910 as shown on the drawing sheet. Connect the bonding lead to the new clamp. Use: - 1 clamp AN735-D16 - 1 screw NAS1133-3 - 1 nut MS21042-L3 - 2 washers NAS1149D0332K

E. If removed, re-install the Suction Relief Valve refer to AMM task 28-15-06-400-814A.

F. Do steps B thru E on the opposite wing.

G. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 19

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 5 The Introduction of Bonding Provisions on the Access Panel of the Integral Centre Wing Tank (ICWT). Refer to drawing W31036 sheet 001.

NOTE : This part is only applicable for aircraft serial number 11442 up to and including 11585 if equipped with an ICWT.

A. Remove the Outer Access Panel (175BZ) from the ICWT to get access to the Inner ICWT Access Panel (175AZ), refer to AMM task 28-12-03-000-814A.

B. On the eight locations shown on the drawing sheet, remove the bolt and washer refer to AMM task 28-12-03-000-814A.

C. Prepare the contact area of the Access Panel bolt hole in accordance with NC4.610/935 (refer to AMM task 28-00-00-390-812A and WM part 1, chapter 20-13-05).

D. Reinstall the bolts and washers that were removed in step B.

E. Remove all tools and equipment from the work area. Make sure the work area is clean.

F. Install the Outer Access Panel (175BZ), refer to AMM task 28-12-03-400-814A.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 20

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 6 The introduction of Bonding Provisions on the LH and RH Boost Pumps. Refer to drawings W69200 sheet 002 (LH) and W69240 sheet 002 (RH).

NOTE : This part is applicable for aircraft serial number 11244 up to and including 11585.

A. If required for access, remove and keep the boost pump, refer to AMM task 28-22-02-00- 814A.

B. Discard the 2 screws removed from the locations shown on the drawing sheets.

C. Rework and prepare the bonding surfaces of the bonding contact bolt holes at the locations shown on the drawing sheets in accordance with NC4.610/935 (refer to AMM task 28-00- 00-390-812A and WM part 1, chapter 20-13-05).

D. Install the boost pump, refer to AMM task 28-22-02-400-814A , with new screws in accordance with the drawings sheets, use: - 2 screw NAS1581C3T13P Front Pump - 2 screw NAS1581C3T17P Rear Pump

E. Repeat steps A thru D for the remaining Boost Pumps.

F. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 21

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 7 The introduction of Bonding Provisions on the LH and RH Ventilation Float Valve. Refer to drawings W69335 sheet 001 (LH) and W69405 sheet 001 (RH).

NOTE : This part is applicable for aircraft serial number 11244 up to and including 11585.

A. Get access to the Ventilation Float Valve, open access panels: - 523AB for the LH Inboard Ventilation Float Valve - 526EB for the LH Outboard Ventilation Float Valve - 623AB for the RH Inboard Ventilation Float Valve - 626EB for the RH Outboard Ventilation Float Valve.

B. If required for access, remove and keep the ventilation Float Valve mounting-bracket, refer to AMM task 28-15-01-000-814A and the drawing sheets for more information.

C. Prepare the bond surface at the two locations shown on the drawing sheet in View A and View B in accordance with NC4.610/938 (refer to AMM task 28-00-00-390-812A and WM part 1, chapter 20-13-05).

D. Remove dust and grease from the prepared area and the bolt and washer. Use: - ar solvent (white spirit) (FK11-007)

E. Install the Ventilation Float Valve refer to AMM task 28-15-01-400-814A.

F. Repeat steps B thru E for the Ventilation Float Valves in the opposite wing.

G. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 22

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 8 The introduction of Bonding Provisions on the LH and RH Center Tank Overflow Valve. Refer to drawings W69200 sheet 003 (LH) and W69240 sheet 003 (RH).

NOTE : This part is only applicable for aircraft serial number 11442 up to and including 11585 (If equipped with an ICWT).

A. Get access to the Center Tank Overflow Valve, open access panels: - 522AB for the LH Center Tank Overflow Valve - 622AB for the RH Center Tank Overflow Valve.

B. If required for access remove and keep the Center Tank Overflow Valves refer to AMM task 28-21-08-000-824B.

C. Prepare the bonding surfaces at the two locations shown on the drawing sheet in accordance with NC4.610/940 (refer to AMM task 28-00-00-390-812A and WM part 1, chapter 2013-05).

D. Re-install the Center Tank Overflow Valves you removed in step B, refer to AMM task 28-21-08-400-824B.

E. Do steps B thru D for the other Center Tank Overflow Valve.

F. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

Aug 17/12 SBF100-28-069 Page 23

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 9 The introduction of Bonding Provisions on the RH and LH Fueling Shut-off Valve. Refer to drawings W69200 sheet 004 (LH) and W69240 sheet 004 (RH).

NOTE : This part is applicable for aircraft serial number 11244 up to and including 11585.

A. Get access to the Main Tank Fueling Shut-off Valve, open access panels: - 522AB for the LH Main Tank Fueling Shut-off Valve - 622AB for the RH Main Tank Fueling Shut-off Valve.

B. If required for access, remove and keep the Fueling Shut-off Valve refer to AMM task 28- 21-04-000-814A.

C. Prepare the bonding surfaces at the two locations shown on the drawing sheets in accordance with NC4.610/940 (refer to AMM task 28-00-00-390-812A and WM part 1, chapter 2013-05).

D. Re-install the Fueling Shut-off Valve you removed in step B, refer to AMM task 28-21-04- 400-814B.

E. Repeat steps B thru D for the Fueling Shut-off Valve in the opposite wing tank.

F. Remove all tools and equipment from the work area. Make sure the work area is clean.

## Service Bulletin Fokker 70/100

SBF100-28-069 Aug 17/12 Page 24

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. Part 10 Job Close-up.

A. Remove all tools and equipment from the work area. Make sure the work area is clean.

B. Do the Tank Closure Inspection. Refer to AMM task 28-00-00-200-846A.

C. Remove safety equipment after maintenance in the main tank. (Refer to AMM task 28-11-00-860-823)

D. Remove safety equipment (Refer to AMM task 28-00-00-860-823).

E. Supply the electrical power. Refer to AMM task 24-00-00-860-832A.

F. Open the access door(s) 178BR.

G. Refuel the Main Tanks. Refer to AMM task 12-11-01-650-813A.

H. Refuel the ICWT (11442-11585 if equipped with an ICWT). Refer to AMM task 12-11-01- 650-813A.

I. Examine access panels that were removed and re-installed for leakage.

J. Examine the ICWT access panel drain for leakage (11442-11585 if equipped with an ICWT).

K. If not done before, close the applicable access panels:

- 536GB and 526CB for the LH sniffle valve - 636GB and 626CB for the RH sniffle valve - 522AB for the LH Fueling Shut-off Valve - 622AB for the RH Fueling Shut-off Valve - 523AB for the LH Vent Collector Tank - 623AB for the RH Vent Collector Tank - 526EB for the LH Outboard Ventilation Float Valve - 626EBfor the RH Outboard Ventilation Float Valve - 515GB (LH Centre Tank Overflow-Valve) - 615GB (RH Centre Tank Overflow-Valve) - 175 BZ (ICWT Outer Access Panel) - 175 AZ (ICWT Inner Access Panel) - 167AL for the LH Suction Relief Line - 168AR for the RH Suction Relief Line - 153TZ - 254RZ. -178BR.

## Service Bulletin Reporting Quality Form Fokker 70/100

Aug 17/12 SBF100-28-069 Page 25

Copyright All rights reserved by Fokker Services B.V. (The Netherlands). This document has been supplied by Fokker Services B.V . to its customers on a confidential basis subject to the provisions of an agreement. Reproduction or disclosure to third parties of this document or any part thereof, or the use of any information contained there in for purposes other than explicitly allowed by the aforesaid agreement, is not permitted except with the prior written permission of Fokker Services B.V. 

## Service Bulletin Reporting Quality Form

Use this Service Bulletin Reporting Quality Form to tell us your perception of the quality of the Service Bulletin. The reported data that you provide to us will be used to analyze areas of difficulties and to take corrective actions to further improv e the quality of our Service Bulletins. We thank you for the time you have taken in completing this form.

* Rate the scale of 1 to 4, with 1 the lowest score and 4 the highest score. Chapters * 1 2 3 4
a) Quality rating of this SB (overall) □ □ □ □ b) Quality rating of the Planning Information □ □ □ □ c) Quality rating of the Material Information □ □ □ □ d) Quality rating of the Accomplishment Instructions □ □ □ □ e) Quality rating of the Test Instructions (if applicable) □ □ □ □ f) Quality rating of the Illustrations or Drawings (if applicable) □ □ □ □ g) Timely delivery of the SB □ □ □ □

If you have had difficulties with one of the chapters of this Service Bulletin and/or one of your rating(s) is lower than 3, please give a short description of the issue.

Comments:

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Please return this form to: Fokker Services B.V. Technical Services, Quality Department P.O. box 1357 2130 EL Hoofddorp The Netherlands

Fax: +31 (0) 88 6280111 or Email : technicalservices@fokker.com