AIRWORTHINESS DIRECTIVE

CAA-AD-076/2001

Date of issue: August 22, 2001

SAILPLANE – LANDING GEAR – INSPECTION/REPLACEMENT/MODIFICATION

Applicability: Kind of aeronautical product: Sailplane and Powered Sailplane

Manufacturer: Schempp-Hirth, Kirchheim/Teck, Germany

Type: Ventus a, Discus a and Ventus bT

Models and Serial numbers Ventus-2c - S/N 1 up to 66

affected: Discus-2b - S/N 1 up to 107

Ventus-2cT - S/N 1 up to 72

Ventus-2cM - S/N 1 up to 107 and 109

equipped with SIREN load release units.

Effective date: September 04, 2001.

Compliance: Required as indicated in LBA AD 2001-259.

Remarks: The compliance of this AD must be recorded in Aircraft Logbook, where applicable the requirements of this AD must be integrated into Aircraft Technical Documentation. Address inquiries concerning this AD to: Civil Aviation Authority, Airworthiness Division, Ruzyne Airport, 160 08 Prague 6, Czech Republic, tel: 420 2 33320922, fax: 420 2 20562270.

Ing. Pavel MATOUŠEK

Director of Airworthiness Division

CAA CZ

Airworthiness Directive 2001-259 Luftfahrt-Bundesamt

Effective Date: September 06, 2001 Airworthiness Directive Section

Hermann-Blenk-Str. 26

38108 Braunschweig

Schempp-Hirth Federal Republic of Germany

Affected:

Kind of aeronautical product: Sailplane and Powered Sailplane

Manufacturer: Schempp-Hirth, Kirchheim/Teck, Germany

Type: Ventus a, Discus a and Ventus bT

Models and Serial numbers Ventus-2c - S/N 1 up to 66

affected: Discus-2b - S/N 1 up to 107

Ventus-2cT - S/N 1 up to 72

Ventus-2cM - S/N 1 up to 107 and 109

German Type Certificate No.: 349, 360 and 825none

Subject:

Landing gear

Reason:

With the shock struts fully compressed, the tyre may touch the bolts of the strut and also the horizontal cross bar of the aft undercarriage strut. Due to this the undercarriage mechanism will be loaded in the direction of the retracted position.

Action:

Inspection, Modification, exchange of components and exchange of pages into the Maintenance Manual in accordance with the Technical Notes of the manufacturer.

Compliance:

The action must be accomplished before the next annual inspection - but not later than March 31, 2002.

Technical publication of the manufacturer:

Schempp-Hirth Technical Note No. 349-25, No. 360-17 and No. 825-27 all dated July 20, 2001 which becomes herewith part of this AD and may be obtained from Messrs.:

Schempp-Hirth

Flugzeugbau GmbH

Postfach 14 43

D- 73222 Kirchheim / Teck

Federal Republic of Germany

Phone: ++ 49 7021 7298-0 Fax: ++ 49 7021 7298-199

www.schempp-hirth.com info@schempp-hirth.com

Accomplishment and log book entry:

Action to be accomplished by an approved service station and to be checked and entered in the log book by a licensed inspector.

Holders of affected aircraft registered in Germany have to observe the following:

As a result of the a.m. deficiencies, the airworthiness of the aircraft is affected to such an extent that after the expiry of the a.m. dates the aircraft may be operated only after proper accomplishment of the prescribed actions. In the interest of aviation safety outweighing the interest of the receiver in a postponement of the prescribed actions, the immediate compliance with this AD is to be directed

Instructions about Available Legal Remedies:

An appeal to this notice may be raised within a period of one month following notification. Appeals must be submitted in writing or registered at the Luftfahrt-Bundesamt, Hermann-Blenk-Str. 26, 38108 Braunschweig.

Enquiries regarding this Airworthiness Directive should be referred to Mr.Olaf Schneider, Airworthiness Directive Section at the above address,

fax-no. 0049 531/2355-720. Please note, that in case of any difficulty, reference should be made to the German issue!

LTA´s / AD´s and Technical Notes are published on the internet at http://www.lba.de