107 results found (2523ms)
Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Unsafe Condition: in-service turbine blade failures that resulted in the loss of power and engine in-flight shutdowns
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Unsafe Condition: a crack in the 3rd-stage compressor wheel
Why matched: Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Unsafe Condition: A fatigue crack that initiated in the propeller shaft and carrier assembly due to high vibration during a propeller gearbox development test.
Why matched: Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Unsafe Condition: The FAA is issuing this AD to address the unsafe condition on these products. The condition, if not addressed, could result in loss of the propeller, damage to the engine, and damage to the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turbofan Engines
Unsafe Condition: A low-cycle fatigue crack in the dovetail slot for the blade attachment in the 3rd-stage compressor wheel, causing one 3rd-stage compressor blade to release.
Why matched: Airworthiness Directives; Rolls-Royce Corporation (Type Certificate Previously Held by Allison Engine Company) Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation Engines
Unsafe Condition: the possibility of steel inclusions in the turbine wheel forging, which could result in a low-cycle fatigue failure of a 1st-stage gas generator turbine wheel or 1st-stage HPT wheel, and uncontaine...
Why matched: Airworthiness Directives; Rolls-Royce Corporation Engines
Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Unsafe Condition: Reports of engine power loss, one of which resulted in a fatal helicopter accident, due to failure of the power turbine governor (PTG) bearing assembly, part number (P/N) 2544198, due to the lack o...
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Unsafe Condition: Failure of the fan wheel, uncontained release of the fan wheel, damage to the engine, and damage to the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Unsafe Condition: Cracks in the turbine wheel blades of the 3rd-stage and 4th-stage turbine wheels, which could lead to failure of the turbine wheel blades, damage to the engine, and damage to the aircraft.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Unsafe Condition: Analysis and cracks found in the high-pressure turbine (HPT) wheel during an inspection.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation Turboprop and Turbofan Engines (Type Certificate Previously Held by Allison Engine Company)
Unsafe Condition: Reports of pitting in the wheel bores and subsequent RRC analysis that concluded that lower life limits are needed for the affected turbine wheels.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboprop and Turbofan Engines (Type Certificate Previously Held by Allison Engine Company)
Airworthiness Directives; Rolls-Royce Corporation Turboprop and Turboshaft Engines
Unsafe Condition: Failure of 3rd-stage and 4th-stage turbine wheel blades, which could cause engine failure and damage to the aircraft.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboprop and Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Unsafe Condition: Uncontained failure of the high-pressure turbine (HPT) stage 2 wheel, which could result in damage to the engine and the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Unsafe Condition: seven cases reported of released turbine blades and shrouds, which led to loss of power and engine in-flight shutdowns
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Unsafe Condition: Low-cycle fatigue cracks in the 6th-through-13th stage compressor wheels having chrome-carbide coated or uncoated knife edge seals, which can deteriorate the integrity of the compressor wheel by le...
Why matched: Airworthiness Directives; Rolls-Royce Corporation Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Unsafe Condition: Reports of cracked HPT stage 2 wheels.
Why matched: Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation AE 3007A1/1, AE 3007A1/3, AE 3007A1, AE 3007A1E, AE 3007A1P, AE 3007A3, AE 3007C, and AE 3007C1 Turbofan Engines
Unsafe Condition: could result in injury, damage to the engine, and damage to the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation AE 3007A1/1, AE 3007A1/3, AE 3007A1, AE 3007A1E, AE 3007A1P, AE 3007A3, AE 3007C, and AE 3007C1 Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation AE 2100D2, AE 2100D2A, AE 2100D3, and AE 2100J Turboprop Engines
Unsafe Condition: Cracks developing in the forward cone of the propeller gearbox (PGB) shaft, potentially leading to separation of the propeller from the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation AE 2100D2, AE 2100D2A, AE 2100D3, and AE 2100J Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Unsafe Condition: Additional reports of cracks in the high-pressure turbine (HPT) stage 2 wheels identified from required inspections indicate a need for a higher inspection rate to prevent uncontained failure of th...
Why matched: Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation AE 3007A1E and AE 1107C Turbofan/Turboshaft Engines
Unsafe Condition: Low-cycle-fatigue failure of the parts listed in Table 1, which could result in an uncontained engine failure and damage to the aircraft.
Why matched: Airworthiness Directives; Rolls-Royce Corporation AE 3007A1E and AE 1107C Turbofan/Turboshaft Engines
Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Unsafe Condition: Cracks in the high-pressure turbine (HPT) stage 2 wheel bores, caused by thermally-induced high stress, could result in a possible uncontained failure of the HPT stage 2 wheel and damage to the air...
Why matched: Airworthiness Directives; Rolls-Royce Corporation (RRC) AE 3007A Series Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation AE 3007A and AE 3007C Series Turbofan Engines
Unsafe Condition: Loss of engine oil from the engine accessory gearbox starter pad shaft seal drain and possible loss of the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation AE 3007A and AE 3007C Series Turbofan Engines
Airworthiness Directives; Rolls-Royce Corporation 501-D Series Turboprop Engines
Unsafe Condition: Uncontained turbine rotor failure resulting in an in-flight engine shutdown and possible damage to the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation 501-D Series Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation AE 2100D3 Turboprop Engines
Unsafe Condition: Uncontained failure of the compressor cone shaft assembly, leading to engine shutdown and damage to the airplane.
Why matched: Airworthiness Directives; Rolls-Royce Corporation AE 2100D3 Turboprop Engines
Airworthiness Directives; Rolls-Royce Corporation Models 250-C30, 250-C40, and 250-C47 Series Turboshaft Engines
Unsafe Condition: Failures of third-stage turbine wheels, which could lead to loss of power, possible engine shutdown, or uncontained engine failure.
Why matched: Airworthiness Directives; Rolls-Royce Corporation Models 250-C30, 250-C40, and 250-C47 Series Turboshaft Engines