7 ADs indexed for Hamilton Sundstrand Corporation aircraft.
Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Unsafe Condition: The auxiliary motor and pump installed on a non-Hamilton Sundstrand propeller failing to feather the propeller in flight through either the primary or the backup means, caused by motor magnets in t...
Why matched: Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Unsafe Condition: An auxiliary motor and pump failing to feather a propeller in flight due to de-bonded motor magnets caused by corrosion at the magnet and housing interface.
Why matched: Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Unsafe Condition: The separation of a 54H60 model propeller blade installed on a USMCR KC-130T airplane during a flight in July 2017, resulting in the loss of the airplane and 17 fatalities, revealed that 54H60 mode...
Why matched: Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Airworthiness Directives; Hamilton Sundstrand Corporation Propellers
Unsafe Condition: Corrosion pitting and resultant intergranular radial crack in the propeller blade taper bore, which can lead to fatigue crack initiation and growth under service loading, resulting in blade separat...
Airworthiness Directives; Hamilton Standard Division and Hamilton Sundstrand Corporation Propellers
Unsafe Condition: The amount of corrosion detected during major inspections (MI) could result in propeller failure and loss of airplane control.
Why matched: Airworthiness Directives; Hamilton Standard Division and Hamilton Sundstrand Corporation Propellers
Airworthiness Directives; Hamilton Sundstrand Corporation (Formerly Hamilton Standard Division) Model 568F Propellers
Unsafe Condition: Reports of propeller blades found at inspection with random areas of missing adhesive under the compression wrap, which exposed the steel tulip part of the blade, leading to potential corrosion-ind...
Why matched: Airworthiness Directives; Hamilton Sundstrand Corporation (Formerly Hamilton Standard Division) Model 568F Propellers
Airworthiness Directives; Hamilton Sundstrand Corporation Model 568F-1 Propellers.
Unsafe Condition: Corrosion-induced fatigue in propeller blades, part numbers R815505-2 and R815505-3, with serial numbers FR1698 or lower, could lead to blade separation and potential loss of airplane control.
Why matched: Airworthiness Directives; Hamilton Sundstrand Corporation Model 568F-1 Propellers.