Airworthiness directives › 2022-03-08
AD 2022-03-08 Airworthiness Directives; Fiberglas-Technik Rudolf Lindner GmbH & Co. KG (Type Certificate Previously Held by GROB Aircraft AG, Grob Aerospace GmbH i.l., Grob Aerospace GmbH, Burkhart Grob Luft-und Raumfahrt GmbH & Co. KG) Gliders
Applicability*9
This AD applies to the following gliders, all serial numbers, certificated in any category: (1) Fiberglas-Technik Rudolf Lindner GmbH & Co. KG (type certificate previously held by GROB Aircraft AG, Grob Aerospace GmbH i.l., Grob Aerospace GmbH, Burkhart Grob Luft—und Raumfahrt GmbH & Co. KG, GROB TFE, GROB-WERKE GMBH & CO KG (a division of Burkhart Grob Flugzeugbau)) Model G102 ASTIR CS. (2) Fiberglas-Technik Rudolf Lindner GmbH & Co. KG (type certificate previously held by GROB Aircraft AG, Grob Aerospace GmbH i.l., Grob Aerospace GmbH, Burkhart Grob Luft—und Raumfahrt GmbH & Co. KG) Model G103 TWIN ASTIR, G103 TWIN II, G103A TWIN II ACRO, G103 C TWIN III ACRO, and G 103 C TWIN III SL.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Within 25 hours time in service (TIS) after the effective date of this AD, inspect the elevator control pushrod in the vertical fin for water and corrosion and replace the elevator control pushrod before further flight if there is any water or corrosion in accordance with the Actions and Instructions, paragraph 3, of Fiberglas-Technik Rudolf Lindner Anweisung/Instructions (A/I-G09), Revision 1, dated May 14, 2020. (2) If no water and no corrosion is detected, before further flight, treat the inside of the elevator control pushrod with corrosion preventative LPS 3 or equivalent. (3) If required by paragraph (g)(1) of this AD, you must replace the elevator control pushrod before further flight with an elevator control pushrod that has zero hours TIS or with an elevator control pushrod that has passed the inspection in accordance with paragraphs (g)(1) and (2) of this AD.
Unsafe condition
This AD was prompted by mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as corrosion on the elevator control pushrod. The unsafe condition, if not addressed, could result in failure of the elevator control pushrod and loss of control of the glider.
Affected ADs
None.
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