AIRWORTHINESS DIRECTIVE
CAA-AD-028/2002
Date of issue: February 27, 2002
SAILPLANE – C OF G RELEASE HOOK – INSPECTION/REPLACEMENT
Applicability: Kind of aeronautical product: Sailplane
Manufacturer: Grob, Tussenhausen-Mattsies, Germany
Type: TWIN ASTIR
Models / Serial numbers affected:
TWIN ASTIR
- S/N: 3000 - 3291
TWIN ASTIR TRAINER
- S/N: 3008 up to 3291 (with suffix ''T'')
G 103 TWIN II
- S/N: 3501 up to 3729
G 103A TWIN II ACRO
- S/N: 3544 up to 34078 (with suffix ''K'')
G 103C TWIN III ACRO
- S/N: 34101 and up
G 103C TWIN III
- S/N: 36001 up to 36014
Effective date: March 21, 2002
Compliance : Required as indicated in LBA AD 2002-067.
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
Luftfahrt-Bundesamt
Airworthiness Directive Section
Hermann-Blenk-Str. 26
38108 Braunschweig
Federal Republic of Germany
Affected:
Kind of aeronautical product: Sailplane
Manufacturer: Grob, Tussenhausen-Mattsies, Germany
Type: TWIN ASTIR
Models / Serial numbers affected:
TWIN ASTIR
- S/N: 3000 - 3291
TWIN ASTIR TRAINER
- S/N: 3008 up to 3291 (with suffix ''T'')
G 103 TWIN II
- S/N: 3501 up to 3729
G 103A TWIN II ACRO
- S/N: 3544 up to 34078 (with suffix ''K'')
G 103C TWIN III ACRO
- S/N: 34101 and up
G 103C TWIN III
- S/N: 36001 up to 36014
German Type Certificate No.: 315
Subject:
C of G Release hook - cracks at the forward attachment brackets
Reason:
After long time of operation, cracks at the forward C of G release hook attachment brackets might occur.
Action
/ Compliance:
1. Visually check the attachment brackets before April 30, 2002. If cracks have been found: replace the brackets
before the next flight.
2. If no cracks were found: exchange the attachment brackets not later than September 30, 2002.
The actions must be done in accordance with the instructions of the manufacturers Service Bulletin.
Technical
publication of the manufacturer:
Grob Service Bulletin No. MSB315-62 dated January 21, 2002 which becomes herewith part of this AD can be obtained from Messrs.:
GROB Luft- und Raumfahrt
Lettenbachstrasse 9
D-86874 Tussenhausen-Mattsies / Germany
Phone: ++ 49 8268 / 998139
Fax: ++ 49 8268 / 998200
e-mail: productssupport@grob-aerospace.de
Holders
of affected aircraft registered in Germany have to observe the following:
Action has to be accomplished by the owner of the aircraft or an approved service station and to be checked and
entered in the log book by a licensed inspector.
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