Rule 28 Apr 2025 air transportation, faa, aviation safety, regulations, safety, compliance, helicopter, airworthiness, incorporation by reference, aviation, aircraft

🚁New Airworthiness Directive for Bell Textron Helicopters

The FAA is adopting a new airworthiness directive (AD) for certain Bell Textron Canada Limited (BTCL) Model 505 helicopters. This AD was prompted by reports of possible chafing in certain locations between the basic and supplemental helicopter wiring and the structure. This AD requires repetitively inspecting the wire harnesses at certain locations for damage, and if any wire damage is found, repairing the damaged wire/bundles, as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

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Proposed Rule 25 Apr 2025 air transportation, aircraft, aviation safety, regulation, airworthiness, compliance, incorporation by reference, safety, aviation, faa, ge engines

✈️New Airworthiness Directives for General Electric Jet Engines Proposed

The FAA is revising a notice of proposed rulemaking (NPRM) that applied to certain General Electric Company (GE) Model CF34- 10E2A1, CF34-10E6, CF34-10E6A1, CF34-10E7, and CF34-10E7-B engines having certain high-pressure turbine (HPT) front rotating air seals installed. This action revises the NPRM by adding Model CF34-10E5 and CF34-10E5A1 engines to the applicability. The FAA is proposing this airworthiness directive (AD) to address the unsafe condition on these products. Since these actions would impose an additional burden over those in the NPRM, the agency is requesting comments on this SNPRM.

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Proposed Rule 25 Apr 2025 safety regulations, air transportation, aircraft, aviation safety, airworthiness, airbus, compliance, incorporation by reference, safety, aviation, helicopters, faa

✈️FAA Proposes Airworthiness Directive for Airbus Helicopters

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC635T2+, and EC135T3 helicopters. This proposed AD was prompted by reports of ruptured and deformed flexible couplings. This proposed AD would require inspecting the axial displacement of the tail rotor driveshaft and, depending on the results, taking corrective actions including inspecting the flexible couplings. This proposed AD would also prohibit installing a tail rotor drive shaft unless certain procedures are followed. These actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 25 Apr 2025 air transportation, aircraft, aviation safety, airworthiness, compliance, regulations, incorporation by reference, helicopter safety, safety, aviation, faa

🚁FAA Proposes Airworthiness Directive for Airbus Helicopters

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model AS 365 N3, EC 155B, and EC155B1 helicopters. This proposed AD was prompted by reports of false engine fire warnings. This proposed AD would require replacing affected engine fire detectors and prohibit installing an affected engine fire detector or an engine that contains an affected engine fire detector, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference (IBR). The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 25 Apr 2025 air transportation, aircraft, aviation safety, airworthiness, compliance, regulations, incorporation by reference, safety, aviation, faa, business impact, helicopter

🚁Proposed Airworthiness Directive for Airbus Helicopters

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, EC635T2+, MBB- BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This proposed AD was prompted by a review of design data and the determination for recalculation of accumulated hoist boom cycles (cycles) and repetitive inspections. This proposed AD would require determining the total cycles of certain hoist boom assemblies, inspecting those hoist boom assemblies, and depending on the results, taking corrective action. This proposed AD would also prohibit installing those hoist boom assemblies unless certain requirements are met. These actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 23 Apr 2025 safety, ge aviation, financial impact, aircraft, incorporation by reference, federal regulations, aviation, compliance, aviation safety, airworthiness, air transportation, faa

✈️Proposed Airworthiness Directive for GE Aviation Engine Compliance

The FAA proposes to supersede Airworthiness Directive (AD) 2024-06-02, which applies to all GE Aviation Czech s.r.o. (GEAC) Model M601D-11, M601E-11, M601E-11A, M601E-11AS, M601E-11S, and M601F engines. AD 2024-06-02 was prompted by a report of a crack on the centrifugal compressor case mount pad weld area caused by a non- conforming weld (lack of welding penetration). AD 2024-06-02 requires a one-time detailed visual inspection (DVI) of the compressor case pad welds for any crack, and replacement of the compressor case if necessary. Since the FAA issued AD 2024-06-02, the manufacturer determined that the compliance time for the DVI can be extended, and repetitive inspections of the centrifugal compressor case must be accomplished. This proposed AD would require performing repetitive DVIs of the compressor case pad welds for any crack, replacing the compressor case if necessary, and sending certain inspection results to the manufacturer, as specified in a European Union Aviation Safety Agency (EASA) AD, which is proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Rule 22 Apr 2025 aviation, aviation safety, faa, airworthiness, regulations, compliance, airbus, air transportation, aircraft, safety, incorporation by reference

✈️FAA's New Airworthiness Directive and Its Business Implications

The FAA is adopting a new airworthiness directive (AD) for all Airbus Canada Limited Partnership Model BD-500-1A11 airplanes. This AD was prompted by a design review of aircraft structural and stress reports that resulted in a revision of operational loads for some aircraft flight phases. This AD requires a review and disposition of all existing repairs and damage assessments for affected structure, corrective actions if necessary, and the prohibition of certain repair engineering orders (REOs), as specified in a Transport Canada AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

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Proposed Rule 21 Apr 2025 airworthiness directive, compliance, safety, airbus, incorporation by reference, faa, aircraft, air transportation, aviation safety

✈️FAA Proposes Airworthiness Directive for Airbus SAS Model Aircraft

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus SAS Model A318, A319, A320, and A321 series airplanes. This proposed AD was prompted by a heavy maintenance check that found elongation on the upper section of the vertical member's assembly at the frame (FR) 24A cargo panel sub-structure. This proposed AD would require a check for certain repairs, and as applicable, repetitive detailed visual inspections of the vertical member's upper part and the upper fittings at FR 24A in the forward cargo compartment and corrective actions. The FAA is proposing this AD to address the unsafe condition on these products.

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Rule 18 Apr 2025 incorporation by reference, helicopter, aviation, safety regulation, aviation safety, compliance, safety, faa, air transportation, airworthiness directive, aircraft

✈️FAA Introduces New Airworthiness Directive for Leonardo Helicopters

The FAA is adopting a new airworthiness directive (AD) for all Leonardo S.p.a. Model A109C, A109E, A109S, and AW109SP helicopters. This AD was prompted by a report of a quality escape on a batch of main rotor blades (MRBs). This AD requires repetitively tap inspecting certain MRBs and replacing those MRBs. This AD also prohibits installing those MRBs, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 17 Apr 2025 airbus helicopters, incorporation by reference, faa, aircraft, air transportation, safety, aircraft regulation, airworthiness directive, helicopter maintenance, aviation safety

🚁New Airworthiness Directive for Airbus Helicopters Model AS332L

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model AS332L helicopters. This AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the airworthiness limitations section (ALS) of the existing maintenance manual (MM) or instructions for continued airworthiness (ICAs) and the existing approved maintenance or inspection program, as applicable, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

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