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ALERT SERVICE BULLETIN ASB-21-006
Modification of 3 Stretcher Unit Assy P/N 002095-502
Agusta Westland AB 139 / AW139
Initial Issue MAR 16/2021
Aerolite AG Aumühlestrasse 10 CH-6373 Ennetbürgen Switzerland
The technical content of this document is approved under the authority of the DOA ref. EASA.21J.359
ASB-21-006
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LOG OF REVISIONS
LIST OF EFFECTIVE PAGES Page Revision Date Page Revision Date 1 0 MAR 16/2021 8 0 MAR 16/2021 2 0 MAR 16/2021 9 0 MAR 16/2021 3 0 MAR 16/2021 10 0 MAR 16/2021 4 0 MAR 16/2021 11 0 MAR 16/2021 5 0 MAR 16/2021 12 0 MAR 16/2021 6 0 MAR 16/2021 7 0 MAR 16/2021
Rev. Issue Date Reason for Revision Checked Verified CVE Approved (under the authority of the DOA ref.
EASA.21J.359) 0 MAR 16/2021 Initial Release
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SERVICE BULLETIN MAR 16/2021
1. Planning Information A Effectivity All Leonardo helicopters, models AB139 and AW139, installing the 3-Stretcher Kit P/N 139084-501.
B Reason In order to prevent possible structural damages in case of emergency landing there is a need to limit to 61 kg (134.5 lbs) the maximum weight of the patient occupying the primary stretcher of the 3-stretcher unit P/N 002095-502.
C Description This service bulletin gives the necessary information to install the information placard P/N 080-0312690-001 on the 3-stretcher unit assembly P/N 002095-502 stating a limitation of 61 kg (134.5 lbs) for the maximum allowable weight of the occupant on the primary stretcher.
D Compliance Within and not later than thirty (30) flight hours (FH) after the issuance of this ASB.
Complete the Implementation Confirmation page in this Alert Service Bulletin and return it to Aerolite AG E Approval The technical content of this service bulletin is approved under the authority of the DOA ref. EASA 21J.359.
F Manpower 1 hours.
G Weight and Balance Not applicable.
H Electrical Load Data Not applicable.
I Software Accomplishment Summary Not applicable.
J References Standard Practices Manual (SPM) K Other Publications Affected Not applicable L Family Tree of Modification Relatioships Not applicable.
ASB-21-006
SERVICE BULLETIN MAR 16/2021 M Points of Contact For further assistance contact:
Aerolite AG Aumühlestrasse 10 CH-6373 Ennetbürgen Switzerland Tel: +41 (0)41 624 58 58 Fax: +41 (0)41 624 58 59 Email: info@aerolite.ch
ASB-21-006
SERVICE BULLETIN MAR 16/2021
2. Material Information A Material – Cost and Availability Owners/Operators will receive the Required Materials on free of charge basis, except for Consumable Materials.
B The following parts are installed.
Part Number Designation Qty 080-0312690-001 Placard 1 C Tooling – Price and Availability Not applicable.
ASB-21-006
SERVICE BULLETIN MAR 16/2021
3. Accomplishment Instructions A References None B Special Tools and Equipment None.
C Consumable Materials D Expendable Parts None E Procedure (Fig. 1)
(1) Get access to the cabin.
(2) Do these steps to clean the area where the placard will be installed (Fig. 1):
(a) Use a lint-free cloth moist with water or white spirit to clean the surface where the placard (1) will be installed.
(b) Dry the area with a dry, lint-free cloth.
(3) Install the placard (1) on the stretcher beam (2).
NOTE: The placard is self-adhesive.
(4) Close all access panels and doors that you opened.
Reference Item Local Supply Lint-free cloth Local Supply White spirit
ASB-21-006 aerolite
SERVICE BULLETIN B 1(0.04)_ INB SB-21-006-1-0 Figure 1 Stretcher Unit Modification Page 9 MAR 16/2021
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4. Implementation Confirmation Please confirm the implementation of this service bulletin by completing the table below and sending it by fax or email to:
Aerolite AG Aumühlestrasse 10 6373 Ennetbürgen Switzerland
Tel: +41 41 624 58 58 Fax: +41 41 624 58 59 Email: office.airworthiness@aerolite.ch
ASB-21-006 Aircraft Serial Number Date of Embodiment Company Signature / Stamp