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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines
The FAA proposes to adopt a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. Arriel 2C, 2C1, 2S1, and 2S2 model turboshaft engines. This proposed AD was prompted by investigations by the manufacturer following level 1 failures in flight (minor anomalies) and level 2 failures on the ground (minor failures), where cracks...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A330-200 Freighter series airplanes. This proposed AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This proposed AD would require revising the existing maintenance or inspection program, as...
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Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Gulfstream Aerospace Corporation (Gulfstream) Model GV airplanes. This proposed AD was prompted by notification of corrosion present in floor beam support links. This proposed AD would require inspecting the right butt line 6 floor beam inboard support links and bushings for...
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Airworthiness Directives; ATR-GIE Avions de Transport Régional Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all ATR--GIE Avions de Transport R[eacute]gional Model ATR42 airplanes; and Model ATR72 airplanes. This proposed AD was prompted by in-service data which revealed that the minimum operating airspeeds in severe icing conditions, computed to provide adequate stall margins, do not...
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Airworthiness Directives; Bell Textron Inc. (Type Certificate Previously Held by Bell Helicopter Textron Inc.) Helicopters
The FAA is revising an earlier proposed Airworthiness Directive (AD) for Bell Textron Inc. (Bell) Model 205B helicopters which proposed to require reducing the life limit of certain tail rotor (T/R) blades and re-identifying certain T/R blades with a new part number (P/N). The notice of proposed rulemaking (NPRM) was prompted by flight testing...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2019-03-10, which applies to all Airbus SAS Model A300 series airplanes; and Model A300 B4-600, B4-600R, and F4-600R series airplanes, and Model A300 C4-605R Variant F airplanes (collectively called Model A300-600 series airplanes). AD 2019-03-10 requires repetitive detailed visual...
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Airworthiness Directives; Dassault Aviation Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2018-24-03 which applies to all Dassault Aviation Model Falcon 10 airplanes. AD 2018-24-03 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive maintenance requirements and airworthiness limitations. Since the FAA issued...
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Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2019-23-15, which applies to certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. AD 2019-23-15 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the...
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Airworthiness Directives; Airbus Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model SA330J helicopters. This proposed AD was prompted by a report of failure of a second stage planet gear of the main gear box (MGB). This proposed AD would require replacement of the MGB particle detector assembly with an improved, elongated MGB particle...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 and A350-1041 airplanes. This proposed AD was prompted by reports that suitable corrosion protection treatment had not been applied to certain areas of the seat track. This proposed AD would require a one-time detailed inspection of the seat tracks...
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Airworthiness Directives; Airbus Helicopters Deutschland GmbH Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, and EC135T3 helicopters. This proposed AD would require removing certain Titanium (Ti) bolts from service and prohibit installing these Ti-bolts in a critical area....
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Airworthiness Directives; Safran Helicopter Engines, S.A. (Type Certificate Previously Held by Turbomeca, S.A.) Turboshaft Engines
The FAA proposes to adopt a new airworthiness directive (AD) for all Safran Helicopter Engines, S.A. (Safran) Arriel 2D and Arriel 2E model turboshaft engines. This proposed AD was prompted by the manufacturer revising the maintenance and overhaul manuals to introduce new or more restrictive airworthiness limitations and maintenance tasks. This...
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Airworthiness Directives; Airbus Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus Helicopters Model SA-365N, SA-365N1, AS-365N2, AS 365 N3, EC 155B, and EC155B1 helicopters. This proposed AD was prompted by the FAA's determination that to improve the process and performance in collecting metal particles in the main gear box (MGB) certain existing...
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Airworthiness Directives; Yaborã Indústria Aeronáutica S.A. (Type Certificate Previously Held by Embraer S.A.) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Yabor[atilde] Ind[uacute]stria Aeron[aacute]utica S.A. Model EMB-135, EMB-145, -145ER, -145MR, -145LR, -145XR, -145MP, and - 145EP airplanes. This proposed AD was prompted by reports that calculations provided by the automatic takeoff thrust control system (ATTCS) are...
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Airworthiness Directives; Bombardier Inc., Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Bombardier Inc., Model CL-600-2B16 (601-3A, 601-3R, and 604 Variants) airplanes. This proposed AD was prompted by a determination that certain airplanes have outdated magnetic variation (MagVar) tables inside navigation systems. This proposed AD would require revising the...
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Airworthiness Directives; The Boeing Company Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 727 series airplanes. This proposed AD was prompted by a determination that excessive sealant coating on internal wing Structural Significant Items (SSIs) may not reveal cracks during inspections required by AD 98-11-03 R1. This proposed AD would...
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Airworthiness Directives; Airbus Helicopters
The FAA proposes to supersede Airworthiness Directive (AD) 2017-17-01, which applies to certain Airbus Helicopters Model AS332L2 and EC225LP helicopters. AD 2017-17-01 requires repetitive inspections of the main rotor blade (MRB) attachment pins. Since issuing AD 2017- 17-01, the FAA has determined that it is necessary to measure the attachment...
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Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Pilatus Aircraft Ltd. (Pilatus) Model PC-24 airplanes. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI...
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Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2019-21-10, which applies to all Airbus SAS Model A321-111, -112, -131, -211, -212, -213, -231, and -232 airplanes. AD 2019-21-10 requires a one-time eddy current conductivity measurement of certain structural parts of the outer flaps to determine if the incorrect alloy was used, and...
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Special Conditions: magniX USA, Inc., magni250 and magni500 Model Engines
This action proposes special conditions for magniX USA, Inc. (magniX), magni250 and magni500 model engines that operate using electrical technology installed on the aircraft for use as an aircraft engine. These engines have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards...