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Airworthiness Directives; Burkhart GROB Luft- und Raumfahrt GmbH Powered Sailplanes

Unsafe Condition: Excessive corrosion on the nose plate (part number 109-2160.01) in the vertical stabilizer, which could cause the vertical stabilizer nose plate to fail and result in loss of control of the sailplane.

Why matched: Airworthiness Directives; Burkhart GROB Luft- und Raumfahrt GmbH Powered Sailplanes

Airworthiness Directives; BURKHART GROB LUFT-UND Model G 103 C Twin III SL Gliders

Unsafe Condition: The in-flight loss of a propeller and pulley wheel from the engine of a Grob G 103 C Twin III SL powered sailplane has been reported. Grob Aircraft AG suspects that the possible reasons for this lo...

Why matched: Airworthiness Directives; BURKHART GROB LUFT-UND Model G 103 C Twin III SL Gliders

Airworthiness Directives; BURKHART GROB LUFT-UND RAUMFAHRT GmbH & CO KG G103 Series Gliders

Unsafe Condition: A bolt in the airbrake control was found failed due to a double-sided fatigue crack, likely caused by mean stress and excessive bolt torque exceeding the limit.

Why matched: Airworthiness Directives; BURKHART GROB LUFT--UND RAUMFAHRT GmbH & CO KG G103 Series Gliders

Airworthiness Directives; BURKHART GROB LUFT-UND-RAUMFAHRT GmbH & Co. KG, Model G 103 C Twin III SL Sailplanes

Unsafe Condition: Increased play of the propeller bearing and upper pulley wheel.

Why matched: Airworthiness Directives; BURKHART GROB LUFT-UND-RAUMFAHRT GmbH & Co. KG, Model G 103 C Twin III SL Sailplanes

Airworthiness Directives; BURKHARDT GROB LUFT-UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103 TWIN II, G103A TWIN II ACRO, G103C TWIN III ACRO, and G 103 C Twin III SL Sailplanes

Unsafe Condition: Cracked center of gravity (CG) release hook attachment brackets could lead to abnormal or uncontrolled sailplane release, resulting in reduced or loss of sailplane control.

Why matched: Airworthiness Directives; BURKHARDT GROB LUFT-UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103 TWIN II, G103A TWIN II ACRO, G103C TWIN III ACRO, and G 103 C Twin III SL Sailplanes

Airworthiness Directives; BURKHART GROB LUFT--UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103A TWIN II ACRO, and G103C TWIN III ACRO Sailplanes

Unsafe Condition: Damage to the fuselage during limit load flight could result in reduced structural integrity and loss of control of the sailplane.

Why matched: Airworthiness Directives; BURKHART GROB LUFT--UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103A TWIN II ACRO, and G103C TWIN III ACRO Sailplanes

Airworthiness Directives; BURKHART GROB LUFT-UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103A TWIN II ACRO, and G103C TWIN III ACRO Sailplanes

Unsafe Condition: Damage to the fuselage during limit load flight, which could result in reduced structural integrity and lead to loss of control of the sailplane.

Airworthiness Directives; BURKHART GROB LUFT-UND RAUMFAHRT GmbH & CO KG Models G103 TWIN ASTIR, G103A TWIN II ACRO, and G103C TWIN III ACRO Sailplanes

Unsafe Condition: The safety margins established in the design of the fuselage may not have been sufficient to sustain limit loads during certain maneuvers and during flight at certain speeds, potentially leading to...

Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt GmbH & CO KG Models G103 Twin Astir, G103 Twin II, G103A Twin II Acro, and G103C Twin III Acro Sailplanes

Unsafe Condition: The safety margins established into the design of the fuselage may not be sufficient to sustain limit loads during certain maneuvers and during flight at certain speeds, potentially leading to redu...

Airworthiness Directives; Burkhart Grob Luft - Und Raumfahrt GmbH & CO KG Models G103 TWIN II and G103A TWIN II ACRO Sailplanes

Unsafe Condition: Cracks in the fastening (knurled) nut at the rear control stick could result in loss of control of the sailplane during flight instruction operations because the instructor may lose the ability to ...

Why matched: Airworthiness Directives; Burkhart Grob Luft - Und Raumfahrt GmbH & CO KG Models G103 TWIN II and G103A TWIN II ACRO Sailplanes

Airworthiness Directives; Burkhart Grob Luft-Und Raumfahrt GmbH & CO KG Models G103 TWIN II and G103A TWIN II ACRO Sailplanes

Unsafe Condition: Cracks in the fastening (knurled) nut at the rear control stick could lead to the inability to use the rear control stick, potentially resulting in loss of control during flight instruction operati...

Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt Models G115C, G115C2, G115D, and G115D2 Airplanes.

Unsafe Condition: Loss of control of the airplane caused by excessive speed or aerobatic maneuvers.

Why matched: Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt Models G115C, G115C2, G115D, and G115D2 Airplanes.

Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt Models G115C, G115C2, G115D, and G115D2 Airplanes

Unsafe Condition: Loss of control caused by excessive speed or aerobatic maneuvers.

Why matched: Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt Models G115C, G115C2, G115D, and G115D2 Airplanes

Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt, GmbH. Model G 103 Twin Astir Sailplanes

Unsafe Condition: Cracked airbrake over-center levers could result in asymmetrical airbrake deployment, leading to uncontrollable roll and possible loss of control.

Why matched: Airworthiness Directives; Burkhart Grob Luft-und Raumfahrt, GmbH. Model G 103 Twin Astir Sailplanes