Bombardier Inc. and de Havilland Airworthiness Directives

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: a missing stabilizer actuator lock ring, which can cause the stabilizer actuator clamp nut to separate from the stabilizer barrel by unthreading, resulting in a reduction or loss of pitch control d...

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Cracking of the engine mount pickup fittings can result in failure of the fitting, leading to a loose connection of the engine mount ring and consequent reduced control of the airplane.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Unsafe Condition: Corrosion-related degradation of the aileron mass balance weight arms, which could lead to structural failure and consequent loss of control of the airplane.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Unsafe Condition: Damage in the main wing spar caused by drill starts, corrosion, cracks, and improperly installed fasteners.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: cracks in the left-hand elevator auxiliary spar, if not addressed, could result in elevator flutter leading to elevator failure, with consequent loss of control of the airplane.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.)

Unsafe Condition: A missing or incorrectly seated lock ring in the stabilizer actuator could result in a reduction or loss of pitch control during flight with consequent loss of control of the airplane.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.)

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: Cracks and corrosion damage to the aileron internal structure, which could lead to progressive looseness of the aileron at the hinge support rib push-pull rod attachment, flutter condition, and deg...

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Unsafe Condition: corrosion of the fuel system components located in the fuel gallery due to inadequate corrosion protection

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate Previously Held by Bombardier Inc. and de Havilland, Inc.) Airplanes

Airworthiness Directives; Viking Air Limited (Type Certificate No. A-815 Formerly Held by Bombardier Inc. and de Havilland, Inc.)

Unsafe Condition: Excessive free-play in the elevator control tabs could develop, leading to loss of tab control linkage and severe elevator flutter. Such elevator flutter could lead to possible loss of control.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate No. A-815 Formerly Held by Bombardier Inc. and de Havilland, Inc.)

Airworthiness Directives; Viking Air Limited (Type Certificate No. A-815 Formerly Held by Bombardier Inc. and de Havilland, Inc.) Model DHC-3 Airplanes

Unsafe Condition: Excessive free-play in the elevator control tabs could develop, leading to loss of tab control linkage and severe elevator flutter, which could result in possible loss of control.

Why matched: Airworthiness Directives; Viking Air Limited (Type Certificate No. A-815 Formerly Held by Bombardier Inc. and de Havilland, Inc.) Model DHC-3 Airplanes