121 ADs indexed for Robinson Helicopter Company aircraft.
Airworthiness Directives; Various Helicopters
Unsafe Condition: The main rotor shaft (MRS) on certain helicopter models requires a lower life limit due to a design re-evaluation showing potential cracking or overstress from repetitive external lift operations.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: Fatigue cracking on the clutch shaft forward yoke (yoke) on the main rotor (M/R) drive, which could result in loss of M/R drive and consequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Robinson Helicopter Company
Unsafe Condition: Failed rivets attaching the clutch actuator bracket to the fan scroll housing, caused by excessive vibration of the fan scroll housing due to the design of the fan scroll housing, including the qua...
Why matched: Airworthiness Directives; Robinson Helicopter Company
Airworthiness Directives; Various Helicopters
Unsafe Condition: Difficulty pulling the emergency float kit activation handle installed on the pilot cyclic, and deficiencies in the installation of the cables on the emergency float kits.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: Engine governor failures caused by water intrusion inside the governor controller, leading to loss of engine speed governing such as an engine overspeed or underspeed condition, and subsequent unex...
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: A fractured clutch shaft forward yoke on the main rotor drive due to fatigue cracking.
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Unsafe Condition: The failure of a tension torsion (TT) strap, which can result in loss of a main rotor blade and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Bell Textron Inc. and Various Restricted Category Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: TRB tip caps coming loose due to corrosion at the bond on Robinson Helicopter Company Model R44 helicopters, and TRBs that have corroded to an unserviceable condition, including severe leading edge...
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Various Helicopters
Unsafe Condition: unsafe condition on these products.
Why matched: Airworthiness Directives; Various Helicopters
Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
Unsafe Condition: Stress corrosion cracking of the main transmission support case lateral mounts.
Why matched: Airworthiness Directives; Bell Textron Inc., Helicopters and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters
Unsafe Condition: Reports of two in-service failures of forward crosstubes due to fatigue damage, and the issuance of newly established life limits.
Why matched: Airworthiness Directives; Bell Textron Inc., Erickson 214 Holdings, LLC, Leonardo S.p.a., and Various Restricted Category Helicopters
Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
Unsafe Condition: Cracked main rotor blades (MRBs) with chordwise cracks originating from the extreme trailing edge between blade station 190 and 210.
Why matched: Airworthiness Directives; Bell Textron Inc. Helicopters and Various Restricted Category Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: Reports of cracked blades. The FAA is issuing this AD to detect and prevent cracks in the affected blades. The unsafe condition, if not addressed, could result in reduced controllability and subseq...
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: Intermittent or abnormal operation of the engine revolutions per minute (RPM) governor may result in engine overspeed or underspeed conditions during flight.
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
Unsafe Condition: The overload clutch in the Goodrich externally-mounted hoist assemblies can fail, leading to in-flight loss of the hoist load, possibly resulting in injury to persons on the ground or in a hoisting...
Why matched: Airworthiness Directives; Goodrich Externally-Mounted Hoist Assemblies
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Failure of a pin could result in the main rotor blade detaching from the helicopter and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: The FAA is issuing this AD to address the unsafe condition on these products. The condition, if not addressed, could result in reduced controllability and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Various Restricted Category Helicopters
Unsafe Condition: Failure of the tail boom attach structure, including the bolts, resulting in separation of the tail boom from the helicopter and subsequent loss of control of the helicopter.
Why matched: Airworthiness Directives; Various Restricted Category Helicopters
Airworthiness Directives; Robinson Helicopter Company Helicopters
Unsafe Condition: Reports of tail rotor (T/R) drive shaft forward hanger bearing failures due to the bearing spinning at a speed that caused excessive heating of the bearing during operation and led to the breakdown...
Why matched: Airworthiness Directives; Robinson Helicopter Company Helicopters
Airworthiness Directives; Robinson Helicopter Company
Unsafe Condition: Separation between the outer and inner layers of the orange silicone hose P/N A785-31, which can result in blockage of air flow to the engine, engine stoppage, and subsequent loss of control of the...
Why matched: Airworthiness Directives; Robinson Helicopter Company