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BAe JETSTREAM Series 4100
SERVICE BULLETIN
BAE SYSTEMS,
PRESTWICK INTERNATIONAL AIRPORT, AYRSHIRE, KA9 2RW, SCOTLAND.
J41-26-008
TRANSMITTAL SHEET This page transmits revision number 2 of service bulletin J41-26-008, pages 1 through 14.
TITLE: FIRE PROTECTION - RE-ORIENTATION OF FIRE EXTINGUISHER IN THE TOILET
VANITY UNIT AND INTRODUCTION OF REPLACEMENT UNIT KIT NUMBER JK43496A
REASON FOR REVISION Minor Editorial Changes
DETAIL OF CHANGES Para 2.A. (1) - Revised Editorially Address Change This revision has no effect on aircraft on which the bulletin was accomplished at a previous issue.
INSTRUCTIONS FOR INCORPORATION Remove pages 1 through 14.
Add new pages 1 through 14.
Remove pages complete at Revision No 1.
Add new pages complete at Revision No 2.
J41-26-008 ORIGINAL ISSUE: 20th Sept 2011 PAGE 1 OF 1 AE SYSTEMS (Operations) Limitec Printed in the U.K
No text on this page: it may be a figure. Open the PDF to see it.
BAe JETSTREAM Series 4100
SERVICE BULLETIN
BAE SYSTEMS,
PRESTWICK INTERNATIONAL AIRPORT, AYRSHIRE, KA9 2RW, SCOTLAND.
J41-26-008 TITLE: FIRE PROTECTION - RE-ORIENTATION OF FIRE EXTINGUISHER IN THE TOILET
VANITY UNIT AND INTRODUCTION OF REPLACEMENT UNIT KIT NUMBER JK43496A
1. PLANNING INFORMATION A. Effectivity All Jetstream Series 4100 aircraft.
Note: Refer to the table in paragraph (2) accomplishment (A) preparation for your particular aircraft serial number and status.
B. Reason This service bulletin removes the spherical fire extinguisher bottle installed in some Jetstream 41 aircraft toilet vanity units. These extinguishers are now obsolete. A replacement miniature fire extinguisher bottle has been identified that will fit into the toilet vanity unit.
On some Jetstream Series 4100 aircraft, this same miniature fire extinguisher bottle was mounted in the horizontal position at build. In the event of a fire in the vanity waste unit, the extinguishant may not fully discharge from the fire extinguisher bottle. Aircraft with this installation require that the fire extinguisher bottle be relocated to the vertical position.
C. Description This service bulletin is in two parts.
Part 1, for aircraft with fire bottle Pt No BA22650-1. Replace this now obsolete spherical extinguisher bottle.
Part 2, for aircraft with fire bottle Pt No BA20509AM-4. Reposition this existing bottle from the current horizontally mounted position to a vertically mounted position.
The tasks for part 1 are as follows:
- The toilet vanity unit is removed.
- The existing spherical fire extinguisher bottle is removed.
- A new fire extinguisher is installed.
- The toilet vanity unit is reinstalled.
- The aircraft records are amended.
ORIGINAL ISSUE: 5th October 2010 J41-26-008 REVISION No 2: 20th Sept 2011 PAGE 1 of 14 BAE SYSTEMS (Operations) Limited.
Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN The tasks for part 2 are as follows:
- The toilet vanity unit is removed.
- The fire extinguisher bottle is repositioned from a horizontal plane to a vertical plane.
- The toilet vanity unit is reinstalled.
- The aircraft records are amended.
D. Manpower Part 1 8 man-hours.
Part 2 8 man-hours.
Mechanical skills are necessary.
Material - Cost and Availability The Modifications Group, BAE SYSTEMS, Regional Aircraft, Prestwick International Airport, Ayrshire, KA9 2RW, SCOTLAND, will give you terms and conditions for the supply of material.
F. Tooling - Price and Availability None.
G. Weight and Balance Part 1 Weight: -1.4 lb. (-0.6 kg.)
Moment: 700 lb.in. (8065 kgmm.)
Part 2 None H. Aircraft Noise Levels Aircraft noise is not affected.
Electrical Load Data Not affected.
J. Software Accomplishment Summary Not applicable.
J41-26-008 ORIGINAL ISSUE: 5th October 2010 PAGE 2 Printed in the U.K. REVISION No 2: 20th Sept 2011
BAe JETSTREAM Series 4100
SERVICE BULLETIN K. References
- Aircraft Maintenance Manual, Chapter, 26-28-05 .
- Aircraft Illustrated Parts Catalogue 26-20-00-15A and 26-20-00-15B.
- Structural Repair Manual, Chapter 51-70-04.
Publications Affected
- Aircraft Illustrated Parts Catalog.
- Aircraft Maintenance Manual.
NOTE: The maintenance review board report and maintenance planning document will be reviewed, for possible inclusion of a scheduled maintenance task.
Operators are requested to advise The Project Manager, Technical Publications, BAE SYSTEMS, Regional Aircraft, Prestwick International Airport, Ayrshire, KA9 2RW, SCOTLAND, of the accomplishment of this service bulletin and request the necessary revisions for the affected manuals.
M. Family Tree Of Modification Relationships Not applicable.
N. Approval The technical content of Part 2 of this service bulletin is the subject of EASA Airworthiness Directive consultation.
Part 2 of this service bulletin must be embodied no later than 30" June 2011.
The technical content of this service bulletin is approved under the authority of EASA PART 21 Approval No. EASA.21J.047.
Signed Date - 21/9//1 EASA Part 21 Approval No. EASA.21J.047.
ORIGINAL ISSUE: 5th October 2010 J41-26-008 REVISION No 2: 20th Sept 2011 PAGE 3 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN
BLANK PAGE J41-26-008 ORIGINAL ISSUE: 5hh October 2010 PAGE 4 REVISION No 2: 20th Sept 2011 Printed in the U.K.
BAe JETSTREAM Series 410
SERVICE BULLETIN
BLANK PAGE J41-26-008 ORREVISION N° 2510r Sept 2011 PAGE 4 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN
2. ACCOMPLISHMENT INSTRUCTIONS WARNING: MAKE SURE THE AIRCRAFT AND THE AIRCRAFT SYSTEMS ARE MADE
SAFE AS DETAILED IN THE APPLICABLE CHAPTERS OF THE AIRCRAFT MAINTENANCE MANUAL.
CAUTION: TAKE CARE NOT TO DAMAGE STRUCTURE WHEN MATERIAL IS CUT OR DRILLED. REMOVE ALL UNWANTED MATERIAL FROM THE WORK AREA.
NOTE: Abbreviations used in the accomplishment instructions of this service bulletin AMM - Aircraft Maintenance Manual.
IPC - Illustrated Parts Catalogue.
SRM - Structural Repair Manual.
A. Preparation
(1) Before starting any work on the aircraft refer to the following table and IPC for your correct effectivity and part number of fire extinguisher bottle. Refer to your AMM for removal of the toilet vanity unit to carry out the work required.
Tail No Extinguisher IPC IPC Ref AMM Ref Description Effectivity Bottle Part /AMM No Suite 41005, 006, BA20509AL 401 26-20-00-15 26-28-05 No action required.
007, 008, 009, 010,
011.
41014, 018, BA20509AM-4 401 26-20-00-15A 26-28-05 Bottle type - 024, 032, horizontally mounted 039, 040, refer to part 2.
070, 071, 074, 087,
096.
41047 BA20509AM-4 402 26-20-00-15A 26-28-05 Bottle type - horizontally mounted refer to part 2.
41012, 013, 403 26-20-00-15A 26-28-05 Bottle type - 015, 017, horizontally mounted refer to part 2.
620 920 031, 033, 041, 043, 045, 055, 058, 059, 063, 064, 080, 083 ORIGINAL ISSUE: 5th October 2010 J41-26-008 REVISION No 2: 20th Sept 2011 PAGE 5 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN Tail No Extinguisher IPC IPC Ref AMM Ref Description Effectivity Bottle Part JAMM No Suite 41097, 098, BA22650-1 403 26-20-00-15B 26-28-05 Bottle type - Spherical 099, 100, now obsolete refer to 101 part 1.
41030 BA20509AM-4 406 26-20-00-15A 26-28-05 Bottle type - horizontally mounted refer to part 2.
41057, 066, BA20509AM-4 408 26-20-00-15A 26-28-05 Bottle type - 067, 072, horizontally mounted 073, 075, refer to part 2.
076, 077, 078, 079, 081, 082, 084, 085, 086, 088, 089, 090, 091, 092, 093 41046, 049, BA20509AM-4 409 26-20-00-15A 26-28-05 Bottle type - 052, 053, 056 refer to part 2. horizontally mounted 41034, 035, BA20509AM-4 410 26-20-00-15A 26-28-05 Bottle type - 036, 037, horizontally mounted 044, 048, refer to part 2.
050, 051, 054, 061, 062, 065, 068, 069, 095, 103 41060, 094 BA20509AM-4 411 26-20-00-15A 26-28-05 Bottle type - horizontally mounted refer to part 2.
41038 BA20509AM-4 412 26-20-00-15A 26-28-05 Bottle type - horizontally mounted refer to part 2.
41102, 104 BA22650-1 414 26-20-00-15B 26-28-05 Bottle type - Spherical now obsolete refer to part 1.
J41-26-008 ORIGINAL ISSUE: 5th October 2010 PAGE 6 REVISION No 2: 20th Sept 2011 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN Part 1 - Accomplishment - Replace the existing obsolete spherical fire extinguisher bottle part number BA22650-1. Use material kit number J41-26-008 (refer to paragraph
(1) Refer to AMM remove the toilet vanity unit.
(2) Remove the existing spherical fire extinguisher bottle part number BA22650-1, mounting bracket and attachment clips.
(3) Remove and retain the existing grommet on the waste chute.
(4) Refer to Figures 1 and 2. Carry out the following:-
(a) Mark out positions for inserts using the dimensions as shown.
(D) Refer to SRM 51-70-04. Install inserts part number SL601-3-3A (Qty 6) at the marked out positions.
(c) Install fire extinguisher mounting bracket part number BA20720-1 (Qty 1) to the toilet vanity unit with attachment screws part number NAS8103-6 (Qty 4) and washers part number SP126D (Qty 4).
(5) Temporarily install the new fire extinguisher bottle part number BA20509AM-4 (Qty
1) to the extinguisher mounting bracket.
(6) Refer to Figure 2. Form the copper outlet pipe using the dimensions on the figure as follows:-
(a) Make sure there are no kinks in the pipe before bending the copper outlet pipe
(b) Bend and form the copper outlet pipe round a suitable mandrel to avoid kinking the pipe to the dimensions and angles as shown on figure.
Note:- Do not bend the copper outlet pipe within 1.Oin of extinguisher head which is shown by the yellow band. Take extreme care when bending the copper outlet pipe as it is pressurised.
Note:- Minimum bend radius is to be 0.75in.
Note:- Make sure there is a minimum clearance of 0.1 in between the copper outlet pipe and existing structure.
(7) Refer to Figures 1 and 2. Reinstall the retained grommet on to the waste chute.
(8) Install cable tie mount part number CB9120V5 (Qty 1) inside the waste chute using the dimensions as shown.
(9) Clean area of waste chute where cable tie mount is to be positioned. Bond the cable tie mount to the waste shute with adhesive part number CB200.
ORIGINAL ISSUE: 5th October 2010 J41-26-008 REVISION No 2: 20th Sept 2011 PAGE 7 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN
(10) Refer to Figures 1 and 2. Install the copper outlet pipe to the toilet vanity unit with attaching p clips part number PKS1007-03 (Qty 2) screws part number NAS8103-6 (Qty 2) and washers part number SP 126D (Qty 2).
(11) At the cable tie mount inside the waste chute add tape to the copper outlet pipe to prevent fretting and secure the pipe to the mount with cable tie part number LKOB (Qty 1).
(12) Make sure extinguisher is secure within mounting bracket and the gauge is showing full in green sector of the pressure indicator and detector. Make sure the discharge nozzle is correctly sited and free of contaminants.
(13) Refer to AMM reinstall the toilet vanity unit.
C. Part 2 - Accomplishment - Reposition the existing fire extinguisher bottle part number BA20509AM-4 from a horizontal plane to a vertical position. Use material kit number J41-26-008 (refer to paragraph 3A).
(1) Refer to AMM remove the toilet vanity unit.
(2) Remove and retain the existing fire extinguisher bottle part number BA20509AM-4 from the horizontal plane, attachment bracket and attachment clips.
(3) Remove and retain existing grommet on the waste chute.
(4) Refer to Figure 1 and 2. Carry out the following:-
(a) Mark out positions for inserts using the dimensions as shown.
(D) Refer to SRM 51-70-04. Install inserts part number SL601-3-3A (Qty 6) at the marked out positions.
Install fire extinguisher mounting bracket part number BA20720-1 (Qty 1) to the toilet vanity unit with attachment screws part number NAS8103-6 (Qty 4) and washers part number SP 126D (Qty 4).
(5) Temporarily install the retained fire extinguisher bottle part number BA20509AM-4 to the extinguisher mounting bracket.
(б) Refer to Figure 2. Reform the copper outlet pipe using the dimensions on the figure as follows:-
(a) Make sure there are no kinks in the pipe before bending the copper outlet pipe.
Refer to Figure 2. Bend and form the copper outlet pipe round a suitable mandrel to avoid kinking the pipe to the dimensions and angles as shown on figure.
Do not bend the copper outlet pipe within 1.0in of extinguisher head which is shown by the yellow band. Take extreme care when bending the copper outlet pipe as it is pressurised.
J41-26-008 ORIGINAL ISSUE: 5th October 2010 PAGE 8 REVISION No 2: 20th Sept 2011 Printed in the U.K.
BAe JETSTREAM Series 4100
SERVICE BULLETIN Note:- Minimum bend radius is to be 0.75in.
Note:- Make sure there is a minimum clearance of 0.1in between the copper outlet pipe and existing structure.
Refer to Figure 1 and 2. Reinstall the retained grommet on to the waste chute.
(8) Install cable tie mount part number CB9120V5 (Qty 1) inside the waste chute using the dimensions as shown.
(9) Clean area of waste chute where cable tie mount is to be positioned. Bond the cable tie mount to the waste shute with adhesive part number CB200.
(10) Refer to Figure 1 and 2. Install the copper outlet pipe to the toilet vanity unit with attaching p clips part number PKS1007-03 (Qty 2) screws part number NAS8103-6 (Qty 2) and washers part number SP126D (Qty 2).
(11) At the cable tie mount inside the waste chute add tape to the copper outlet pipe to prevent fretting and secure the pipe to the mount with cable tie part number LKOB
(12) Make sure extinguisher is secure within mounting bracket and the gauge is showing full in green sector of the pressure indicator and detector. Make sure the discharge nozzle is correctly sited and free of contaminants.
(13) Refer to AMM reinstall the toilet vanity unit.
D. Recovery
(1) Aircraft records:
(a) Add service bulletin number 'J41-26-008 Part 1' to the aircraft records.
(b) Add service bulletin number 'J41-26-008 Part 2' to the aircraft records.
(c) Add kit number 'JK43496A' to the aircraft records.
Operators are reminded of the necessity to inform The Project Manager, TECHNICAL PUBLICATIONS, BAE SYSTEMS, Regional Aircraft, Prestwick International Airport, Ayrshire, KA9 2RW, SCOTLAND, of the accomplishment of this service bulletin in order to obtain the necessary revisions for the affected manuals, see paragraph 1.L. Publications Affected, of this bulletin.
NOTE: Operators are also reminded that it is their responsibility to amend the aircraft weighing report, if necessary, in accordance with the weight and balance changes given at paragraph 1.G. of this service bulletin.
ORIGINAL ISSUE: 5th October 2010 REVISION No 2: 20th Sept 2011 J41-26-008 PAGE 9 Printed in the U.K.