SERVICE BULLETIN No. SB A22LS-23

AEROPRAKT LTD A-22 LS · Service Bulletins

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Overview

This service bulletin from Aeroprakt Ltd details mandatory modifications to the rescue system rocket attachment for specific A22LS aircraft serial numbers. It outlines the necessary steps and parts required to ensure the proper functioning of the rescue system.

Mandatory compliance for affected A22LS aircraft.
Modification involves an additional attachment bracket for the rescue system.
Failure to comply may lead to incorrect rescue system deployment.
Estimated work time is 2 man-hours.
Spare parts for the modification are provided free of charge.
Specific tools and drilling are required for installation.
The bulletin has been approved by Aeroprakt.
Affected serial numbers include A22LS 82, 329, 330, and others.

Document

Source

Originally published by aeropraktusa.com. Sprinkle hosts a reference copy with an added summary, specifications and searchable full text.

View original at aeropraktusa.com

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Document details

Type: Service Bulletins
Year: 2020
File size: 300 KB
Publisher: aeropraktusa.com
Language: en

Specifications & performance

Extracted from this document.

Specifications

Mass change: insignificant

About this document

What is the SERVICE BULLETIN No. SB A22LS-23?

The SERVICE BULLETIN No. SB A22LS-23 is a service bulletins for the AEROPRAKT LTD A-22 LS, dated 2020.

Where does the SERVICE BULLETIN No. SB A22LS-23 come from?

This copy of the SERVICE BULLETIN No. SB A22LS-23 was originally published by aeropraktusa.com and is hosted on Sprinkle as a free, searchable reference copy.

What year was the SERVICE BULLETIN No. SB A22LS-23 published?

The SERVICE BULLETIN No. SB A22LS-23 — the AEROPRAKT LTD A-22 LS service bulletins on file — is dated 2020.

Documentation completeness

5/7

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In this document

Planning Information

Details the affected aircraft serial numbers, the reason for the modification, and the mandatory nature of compliance for flight safety.

Spare Parts Information

Lists the spare parts required for the modification, which are provided free of charge, excluding delivery.

Accomplishment / Instructions

Provides step-by-step instructions for the installation of the new attachment bracket, including drilling and securing the components.

Safety notes

Failure to perform this work will result in incorrect functioning of the rescue system.
Failure to perform this work will result in injuries for pilots in case of system deployment.

Full document text

Aeroprakt Ltd Address: 24, Polyova str., 03056 Kyiv, Ukraine E-mail: air@prakt.kiev.ua, aeroprakt.kiev@gmail.com phone: +38 044 496 77 21, fax: +38 044 496 77 31 AEROPRAKT SERVICE BULLETIN № SB A22LS-23 MODIFICATION OF THE RESCUE SYSTEM ROCKET ATTACHMENT FOR A22LS AIRCRAFT IN GERMANY, DENMARK, POLAND AND LITHUANIA Repeating symbols: Please, pay attention to the following symbols throughout this document marking important information.  WARNING: Identifies an instruction, which if not followed may cause serious injury or even death.  CAUTION: Denotes an instruction, which if not followed, may cause severe damage.  NOTE: Information useful for better handling. Release date: 07.12.2020 Effective date: 07.12.2020 Completion date: Superseded notice: none Model: A22LS Serial number(s) affected: A22LS aircraft serial No. 82, 329, 330, 338, 342, 343, 347, 348, 350, 352-355, 357, 358, 360, 361, 375 Page 1 of 4 AEROPRAKT SERVICE BULLETIN No. SB A22LS-23 Address: 24, Polyova str., 03056 Kyiv, Ukraine E-mail: air@prakt.kiev.ua, aeroprakt.kiev@gmail.com phone: +38 044 496 77 21, fax: +38 044 496 77 31 Page 2 of 4 1) Planning information 1.1) Aircraft affected A22LS aircraft serial No. 82, 329, 330, 338, 342, 343, 347, 348, 350, 352-355, 357, 358, 360, 361, 375. 1.2) Reason Meeting the requirements of the rescue system manufacturer.  Failure to perform this work will result in incorrect functioning of the rescues system in case of its deployment. 1.3) Subject Additional attachment bracket of the rescue system rocket housing. 1.4) Compliance Compliance with this Service Bulletin is mandatory for all affected aircraft for flight safety reasons! 1.5) Approval The technical content of this Service Bulletin has been approved by Aeroprakt. 1.6) Manpower Estimated work: 2 man-hours. 1.7) Mass data Mass change – insignificant. 1.8) Revision of other documents None. 1.9) Spare parts Additional attachment bracket of the rescue system rocket housing – 1 pc. Bolt AN174-5A – 4 pcs. Washer NAS1149F0463P – 4 pcs. Nut MS21044N4 – 4 pcs. Pop-rivet 4-8 – 5 pcs. Pop-rivet 3-8 – 2 pcs. 2) Spare parts information The spare parts kit including bracket, bolts, washers, nuts and rivets is free of charge, less delivery. AEROPRAKT SERVICE BULLETIN No. SB A22LS-23 Address: 24, Polyova str., 03056 Kyiv, Ukraine E-mail: air@prakt.kiev.ua, aeroprakt.kiev@gmail.com phone: +38 044 496 77 21, fax: +38 044 496 77 31 Page 3 of 4 3) Accomplishment / Instructions  Failure to perform this work will result in injuries for pilots in case of system deployment. 3.1) Remove the luggage container before installing the bracket. 3.2) Loosen the screw-clamps (1) and rotate the rocket housing (not taking out from the clamps) so, that its attachment plate is behind the housing (Fig 1).  The cable (5) connecting the rocket and the parachute must not be over the rocket (Fig. 1) Fig. 1 Front view (opposite to flight direction) AEROPRAKT SERVICE BULLETIN No. SB A22LS-23 Address: 24, Polyova str., 03056 Kyiv, Ukraine E-mail: air@prakt.kiev.ua, aeroprakt.kiev@gmail.com phone: +38 044 496 77 21, fax: +38 044 496 77 31 Page 4 of 4 3.3) Drill 4 holes (2, fig.1) with  6.4 mm drill bit for AN174-5A bolts. 3.4) Attach the bracket to the plate of the rescue system attachment with 4 bolts and nuts, but do not tighten the nuts completely. 3.5) Fix (secure) the bracket with clamps to the rescue system post in the hatched areas according to the given dimensions. 3.6) Drill holes (4, fig.1) with  4.1 mm drill bit and install pop-rivets 4-8. 3.7) Remove the clamps. 3.8) Tighten the screw-clamps (1 , fig.1) with 2 N·m torque, and tighten the nuts (2, fig.1). 3.9) Drill holes (5, fig.2) with  3.1 mm drill bit and install pop-rivets 3-8. Fig. 2

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