Applicability: Rolladen-Schneider LS 1-0, -a, -b, -c, -d, all serial numbers

Effective date: July 5, 1998

Compliance : Required as indicated in LBA AD 1982-184/2

Luftfahrt - Bundesamt, Airworthiness Directive Section, Lilienthalplatz 6, 38108 Braunschweig, Federal Republic of Germany

Manufacturer: Rolladen-Schneider, Egelsbach, Germany

Type: LS 1-0

Models affected: LS 1-0, -a, -b, -c and -d

Serial numbers affected: all

German Type Certificate No.: 262

Subject: Increase of service life

Reason: Results of supplementary serviceability tests at main spar booms for wings proved that service life of GRP-sailplanes may be increased to 12000 hours, it airworthiness of each single sailplane is checked according to a special multiple-stage inspection program as included into Maintenance Manual.

Action: Pages entitled "Inspection Sequence to increase Service Life" should be added to Maintenance Manual and recorded in list of pages of Maintenance Manual.

Compliance: Before reaching 3000 hours service life.

Technical publication of the manufacturer: Rolladen-Schneider Technical Bulletin No. 40a dated February 19,1998 which becomes herewith part of this AD and must be obtained from Messrs.: Rolladen-Schneider, Flugzeugbau GmbH, Mühlstrasse 10, D-63329 Egelsbach, Federal Republik of Germany, Phone: +49 (0) 6103 4126, Fax: +49 (0) 6103 45526

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.

Note: This AD supersedes the AD-No.1982-184.

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, Lilienthalplatz 6, 38108 Braunschweig.

Enquiries regarding this Airworthiness Directive should be referred to Mr. Olaf Schneider, Airworthiness Directive Section at the above address, fax-no. 0049 531/2355-254. Please note, that in case of any difficulty, reference should be made to the German issue!