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ALERT SERVICE BULLETIN – SEAT P/N: 9613-()-()-() FS-FRM-0252-00
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SB 9613-005 Issue D Date 03-Dec-2025 COLLINS AEROSPACE proprietary Subject to the restrictions on page 1.
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Mandatory Service Bulletin
For
9613-()-()-() with Swivel Unit - Replacement of Bolts to Enable Forward and Aft-facing Operation
B/E Aerospace Fischer GmbH (Part of Collins Aerospace) Müller-Armack-Str. 4 D-84034 Landshut
Tel.: +49 (871) 9 32 48-0 E-Mail: info.fischer@collins.com www.fischer-seats.de
The technical content of this document is approved under the authority of DOA no. EASA. 21J.111 and refers to EASA ETSO Authorization number EASA.21O10056272 for P/N 9613-()-()-() under which the minor change or repair is covered.
Signatures Date Name Signature Author: 03-Dec-2025 CVE checked by:
Approved (OoA) This document is the property of COLLINS AEROSPACE and contains confidential and/or proprietary information. You may not possess, use, copy or disclose this document or any information in it, for any purpose, including without limitation, to design, manuf acture or repair parts, or obtain any government approval to do so, without COLLINS AEROSPACE express written permission. Neither recei pt nor possession of this document alone, from any source, constitutes such permission. Possession, use, copying or disclosure by anyone without COLLINS AEROSPACE express written permission is not authorized and may result in criminal and/or civil liability.
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Record of Revisions Issue Date Changes Author CVE OoA A 08-Aug-2024 Initial issue JT SeS MF B 24-Oct-2024 Qty. of removed and installed parts corrected UB SeS MF C 13-Nov. 2024 SU-label removed, and SB-label added See title page D TBC SB Classification changed to Mandatory (AD anticipation) Section 1.4 “Safety Intent” added Sections 1.6, 1.7 updated due to new classification and compliance recommendations Section 2.2 SB Kit P/N creation Section 2.3 “Re-identified Parts” added Section 3.3 re-labeling instructions added
This document is revised as a whole.
Table of Contents Record of Revisions 2 Table of Contents 2 0 General Notes 2 1 Planning Information 3 2 Material information 5 3 Accomplishment Instructions 6
0 General Notes
i. The term ‘Remove or Removed’ refers to any item that shall be removed from the aircraft and held for disposition.
ii. Examine retained fasteners from equipment removal for condition. Replace unacceptable fasteners.
iii. Ensure all removed items are clearly labelled.
iv. Removal and Installation are per aircraft manufacturer’s Maintenance Manual Procedures, Standard SPM Procedures, Standard Wiring Practices Manuals Procedures and Component Maintenance Manuals Procedures.
v. Removal of additional components may be necessary to gain access to components being modified per this installation instruction. If so, ensure aircraft records log the removal of items.
Remove and re -install components in accordance with standard aircraft or component manufacturer’s Overhaul / Maintenance Manual Procedures.
vi. Ensure surrounding area, components, wiring and harnesses are suitably protected from contamination or damage.
vii. The operations as defined in these instructions, must be performed in the given sequence, however if they need to be modified to suit the maintainer’s standard practices then B/E Aerospace Fischer´s approval must be sought beforehand.
viii. On completion of all work ensure all areas are cleaned, inspected and all debris and tools removed prior to release to service.
0.1 Definitions and Abbreviations A/R As Required AF Aft-facing
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DOA Design Organization Approval EASA European Union Aviation Safety Agency ETSO European Technical Standard Order FF Forward-facing FWD Forward
i.a.w. In accordance with P/N Part Number RWD Rearward S/N Serial Number SB Service Bulletin SRP Seat Reference Point SU Swivel Unit
1 Planning Information
1.1 SB Effectivity This SB is applicable to following variants of Medical Seat 230/305:
9613-1-35-()
The table below lists all affected S/N
Nr. Seat P/N Collins internal Variant Nr. S/N 1 9613-1-35-0X004B220X0001X 9613-V-140 3241 2 9613-1-35-0X004B220X0001X 9613-V-140 3242 3 9613-1-35-0X004B320X0001X 9613-V-141 3243 4 9613-1-35-0X004B320X0001X 9613-V-141 3244 5 9613-1-35-0X004B320X0001X 9613-V-141 3245 6 9613-1-35-0X004B220X0001X 9613-V-140 3473 7 9613-1-35-0X004B220X0001X 9613-V-140 3474 8 9613-1-35-0X004B220X0001X 9613-V-140 3475 9 9613-1-35-0X004B320X0001X 9613-V-141 3476 10 9613-1-35-0X004B320X0001X 9613-V-141 3481 11 9613-1-35-0X004B320X0001X 9613-V-141 3482 12 9613-1-35-0X004B320X0001X 9613-V-141 3483 13 9613-1-35-0X004B320X0001X 9613-V-141 3484 14 9613-1-35-0X004B220X0001X 9613-V-140 3546 15 9613-1-35-0X004B220X0001X 9613-V-140 3547 16 9613-1-35-0X004B320X0001X 9613-V-141 3548 17 9613-1-35-0X004B320X0001X 9613-V-141 3549 18 9613-1-35-0X004B220X0001X 9613-V-140 3575 19 9613-1-35-0X004B220X0001X 9613-V-140 3576 20 9613-1-35-0X004B220X0001X 9613-V-140 3577 21 9613-1-35-0X004B220X0001X 9613-V-140 3578 22 9613-1-35-0X004B320X0001X 9613-V-141 3591 23 9613-1-35-0X004B220X0001X 9613-V-140 3646
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Nr. Seat P/N Collins internal Variant Nr. S/N 24 9613-1-35-0X004B220X0001X 9613-V-140 3647 25 9613-1-35-0X004B220X0001X 9613-V-140 3648 26 9613-1-35-0X004B220X0001X 9613-V-140 3649 27 9613-1-35-0X004B320X0001X 9613-V-141 3703 28 9613-1-35-0X004B320X0001X 9613-V-141 3958 29 9613-1-35-0X004B320X0001X 9613-V-141 3959 30 9613-1-35-0X004B320X0001X 9613-V-141 3960 31 9613-1-35-0X004B320X0001X 9613-V-141 3961 32 9613-1-35-0X004B320X0001X 9613-V-141 4114 33 9613-1-35-0X004B320X0001X 9613-V-141 4115 34 9613-1-35-0X004B320X0001X 9613-V-141 4116 35 9613-1-35-0X004B320X0001X 9613-V-141 4117 36 9613-1-35-0X004B320X0001X 9613-V-141 4118 37 9613-1-35-0X004B320X0001X 9613-V-141 4119 38 9613-1-35-0X004B320X0001X 9613-V-141 4120 39 9613-1-35-0X004B320X0001X 9613-V-141 4121 40 9613-1-35-0X004B320X0001X 9613-V-141 4122 41 9613-1-35-0X004B220X0001X 9613-V-140 4131 42 9613-1-35-0X004B220X0001X 9613-V-140 4132 43 9613-1-35-0X004B320X0001X 9613-V-141 4133 44 9613-1-35-0X004B320X0001X 9613-V-141 4134 45 9613-1-35-0X004B320X0001X 9613-V-141 4135 46 9613-1-35-0X004B320X0001X 9613-V-141 4175 47 9613-1-35-0X004B320X0001X 9613-V-141 4180 48 9613-1-35-0X004B220X0001X 9613-V-140 4202 49 9613-1-35-0X004B220X0001X 9613-V-140 4203 50 9613-1-35-0X004B220X0001X 9613-V-140 4204 51 9613-1-35-0X004B220X0001X 9613-V-140 4205 52 9613-1-35-0X004B320X0001X 9613-V-141 4206 53 9613-1-35-0X004B320X0001X 9613-V-141 4207 54 9613-1-35-0X004B320X0001X 9613-V-141 4208 55 9613-1-35-0X004B320X0001X 9613-V-141 4209 56 9613-1-35-0X004B320X0001X 9613-V-141 4210 57 9613-1-35-0X004B320X0001X 9613-V-141 4211 58 9613-1-35-0X004B320X0001X 9613-V-141 4212 59 9613-1-35-0X004B320X0001X 9613-V-141 4213 Table 1 – affected P/Ns
1.2 Concurrent requirements None
1.3 Reason Due to a parts list error in the Enterprise Resource Planning system, the affected Medical Seats 230/305 variants were built with an incorrect version of the Swivel Unit, not in compliance with the approved design data. The affected seat variants (see Table 1) are certified for FF and AF installation (with swivel Unit P/N 9715-2-()), whereas the installed version of the Swivel Unit is certified for AF installation only (swivel unit P/N 9715-1-()). Consequently, the entire seating system
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consisting of Seat (9613-1-35-()) and Swivel Unit (9715-1-()) is not suitable for FF installation it is only suitable for AF installation.
1.4 Safety Intent During the initial seat + swivelling unit system certification, the P/N 9715-1-() was recording a failure in the attachment points durin g the dynamic FF test , which could result in possible injuries or casualties for the occupant in a crash scenario with predominant forward forces.
Any seat 9613-1-35-() with Swivel Unit P/N 9715-1-() installed in a FF direction needs to be immediately removed from service until application of the present SB.
1.5 Description This SB describes how to convert the AF certified Swivel Unit P/N 9715-1-() into a FF and AF certified swivel Unit P/N 9715-2-(), restoring the approved design data and the proper level of safety for the affected variants of the Medical Seats 230/305.
1.6 Service Bulletin Classification This Service Bulletin is mandatory (AD anticipation).
1.7 Compliance recommendation Non-compliance affects safety function of the seat.
This Service Bulletin must be embodied within 1 month from the publication of the related EASA AD.
1.8 Approval The technical content of this document is approved under the authority of DOA no. EASA. 21J.111 and refers to EASA ETSO Authorization number EASA.21O.10056272 for P/N 9613 -()-()-() under which the minor change or repair is covered. This SB restores the ETSO approved seat configuration.
1.9 Manpower Man-hours to accomplish this SB: 0,5 man-hours
1.10 Weight and Balance The weight and balance effects of this SB are negligible.
1.11 Electrical Load Not applicable
1.12 Software accomplishment summary Not applicable
1.13 References [Ref 1.] B/E Aerospace Fischer GmbH Component Maintenance Manual with Illustrated Parts List for Medical Seat 230/305, Part No. 9613-()-()-(), Ref. 25-24-01, Revision E or later.
[Ref 2.] B/E Aerospace Fischer GmbH Component Maintenance Manual with Illustrated Parts List for Swivel Unit, Part No. 9715-()-(), Ref. 25-24-09, Revision D or later.
1.14 Other Publications Affected No change is made to the existing Instructions for Continued Airworthiness.
1.15 Interchangeability of Parts Not applicable 2 Material information
2.1 Parts removed P/N Nomenclature Qty Notes LN9438-AM6x14 Countersunk Screw 8 discard
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Table 2 – Removed parts
2.2 Parts installed P/N Nomenclature Qty Notes 9613-020B Kit SB9613-005 1 9715-031A Cone Washer 8 part of kit LN9037-06016 Hex-Head Screw 8 part of kit 9715-099A Nameplate 1 part of kit / S/N specific Table 3 – Installed parts Parts can be ordered from:
B/E Aerospace Fischer GmbH Müller-Armack-Str. 4 D – 84034 Landshut Germany Tel.: +49-(0)871-93248-0 Email: spares@fischer-seats.de
2.3 Re-identified parts Given the classification of this SB, the parts shall be re-identified as follows:
Pre SB P/N Description Post SB P/N 9715-1-() Swivelling Unit 9715-2-()
NOTE: the application of this SB at the previous revision was not requesting a part re-labelling but rather the application of the SB label. The swivel units subjected to previous revision of the SB must be re-labelled in accordance to the instructions contained in section 3.2.7.
2.4 Consumables P/N Nomenclature Qty Notes Loctite™ 243 Screw locking fluid A/R By Henkel corporation Table 4 – Consumables List
2.5 Tooling Standard workshop tooling.
3 Accomplishment Instructions Modify each seat in accordance with the following instructions.
3.1 Preparation
3.1.1 If required, remove the seat from the aircraft i.a.w. CMM [Ref 1.] to get sufficient access to the Swivel Unit upper plate.
3.1.2 Make sure, that the Swivel Unit is set straight forward or rearward and rotational locking is engaged.
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3.2 Modification
3.2.1 Remove and discard the 4 outer countersunk screws LN9438-AM6x14, as shown in Figure 1
Do not remove the two adjacent screws at the four corners at the same time, otherwise the parts underneath will come loose and misalign! Only remove one screw per corner and insert one hex-head screw, according to the sequence stated in this SB.
Figure 1: Removal of outer countersunk screws (Seat omitted for clarity)
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3.2 Modification
3.2.2 Install 4 Cone Washers 9715-031A and 4 Hex-Head Screws LN9037-06016 Apply Loctite™ 243.
Tightening torque: 6 Nm ± 10%
Figure 2: Installation of 4 Cone Washers and 4 Hex-Head Screws
3.2.3 Remove and discard the 4 inner countersunk screws LN9438-AM6x14.
Figure 3: Removal of inner countersunk screws
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3.2 Modification
3.2.4 Install 4 Cone Washers 9715-031A and 4 Hex-Head Screws LN9037-06016.
Apply Loctite™ 243.
Tightening torque: 6 Nm ± 10%
Figure 4: Installation of 4 Cone Washers and 4 Hex-Head Screws
3.2.5 Remove Nameplate.
3.2.6 Clean and degrease area for new Nameplate.
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3.2 Modification
3.2.7 Apply new name plate P/N 9715-099A (part of Kit), as shown in Figure 6.
Figure 5: Nameplate
Figure 6: Position Nameplate
Take care to apply the correct nameplate with correct serial number and date of manufacture.
Serial number must be provided before ordering a kit.
3.3 Assembly, Final Inspection and Close-Up
3.3.1 Make sure all tools, materials and equipment are removed from the swivel unit / seat.
Make sure the swivel unit / seat are clean.
3.3.2 Perform inspection and checks in accordance with [Ref 1.] and [Ref 2.].
3.3.3 Record embodiment of SB 9613-005 in seat documentation in accordance with company procedures.
3.3.4 Email Service Bulletin Completion Record to:
E-Mail: occurrence-fischer@collins.com
nameplate
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Alert Service Bulletin SB 9613-005 Completion Record
Email this form to Fischer DO at occurrence-fischer@collins.com
The following seats have been modified in accordance with this Service Bulletin:
Seat type Seat P/N Seat S/N Medical Seat 230/305 9613-1-35-
Signature Print name Date Job Title Company Contact phone Contact email
Optional data Helicopter type Serial Number Registration Flight Hours Comments / Suggestions