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2022-07-12 Recurring

final rule

Airworthiness Directives; Hélicoptères Guimbal Helicopters

Unsafe Condition: A design change was developed for the main rotor hub and swashplate guide including installation instructions for the modification. The condition, if not addressed, could result in failure of a rot...

Effective: May 10, 2022 Category: aircraft Compliance: Within 60 hours TIS or 6 months, whichever occurs first after the effective date of the AD

Why matched: Airworthiness Directives; Hélicoptères Guimbal Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system

2021-22-08

final rule

Airworthiness Directives; Hélicoptères Guimbal Helicopters

Unsafe Condition: Failure of a part, which could result in loss of control of the helicopter.

Effective: Jan 13, 2022 Category: aircraft Compliance: Before further flight

Why matched: Airworthiness Directives; Hélicoptères Guimbal Helicopters

2021-21-06

final rule

Airworthiness Directives; Hélicoptères Guimbal Helicopters

Unsafe Condition: Failure of the cooling fan due to a crack in the fan external ring or on the cooling fan front flange, which could result in engine in-flight shut-down and reduced control of the helicopter.

Effective: Dec 17, 2021 Category: aircraft Compliance: Within the effective date of this AD.

Why matched: Airworthiness Directives; Hélicoptères Guimbal Helicopters

2021-19-07

final rule

Airworthiness Directives; Hélicoptères Guimbal Helicopters

Unsafe Condition: Cracking of a MR non-rotating scissor link, if not addressed, could result in failure of that scissor link, resulting in reduced control of the helicopter.

Effective: Nov 4, 2021 Category: aircraft Compliance: Within 50 hours time-in-service or 2 months after the effective date of this AD, whichever occurs...

Why matched: Airworthiness Directives; Helicopteres Guimbal Helicopters

2021-19-04

final rule

Airworthiness Directives; Hélicoptères Guimbal Helicopters

Unsafe Condition: cracks on the main rotor scissor link due to corrosion, which could result in failure of the main rotor swashplate guide bellcrank and reduced control of the helicopter.

Effective: Oct 12, 2021 Category: aircraft Compliance: Within 50 hours time-in-service or 2 months, whichever occurs first after the effective date of t...

Why matched: Airworthiness Directives; Helicopteres Guimbal Helicopters

Technical illustration of a helicopter rotor hub assembly
Problem area Rotor system