Proposed Rule 7 Apr 2025 compliance, regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, bombardier

✈️Proposed Airworthiness Directive for Bombardier Airplanes by FAA

The FAA proposes to adopt a new airworthiness directive (AD) for all Bombardier, Inc., Model CL-600-2B16 (604 Variant) airplanes. This proposed AD was prompted by reports that the flap system on-board recorder (FSOBR) interfaces with the flap control unit signals and may result in the flap control unit monitors tripping, causing Flap Fail messages and possibly an uncommanded flap movement. This proposed AD would require the disconnection of the FSOBR and prohibit future installation of this system. The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 7 Apr 2025 compliance, regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus, airworthiness, helicopters

✈️Proposed Airworthiness Directive for Airbus Helicopters

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model SA341G and SA342J helicopters. This proposed AD was prompted by reports of disbonding of the stainless steel leading edge protection of certain part-numbered main rotor blades (MRB). This proposed AD would require repetitively tap inspecting the MRB and, depending on the results, repairing or replacing the MRB. This proposed AD would also prohibit installing those MRB unless certain requirements are met. These actions are specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Proposed Rule 7 Apr 2025 regulation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, maintenance, boeing 787

✈️Proposed AD Impacts Boeing 787 Operations and Maintenance Costs

The FAA proposes to adopt a new airworthiness directive (AD) for certain The Boeing Company Model 787-8, 787-9, and 787-10 airplanes. This proposed AD was prompted by reports of corrosion on one or more of the eight lower fitting assemblies and adjacent lavatory components on certain lavatories. This proposed AD would require a detailed inspection of the lower fitting assemblies and the centerline partition threshold of the lavatories for corrosion, recording on the modification record placard, and applicable on-condition actions. This proposed AD would also require revising the existing maintenance program to incorporate a detailed inspection of the lavatory vertical side forward fittings for corrosion or damage. The FAA is proposing this AD to address the unsafe condition on these products.

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Rule 4 Apr 2025 compliance, regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus, helicopters

🚁FAA Airworthiness Directive for Airbus Helicopters Compliance

The FAA is adopting a new airworthiness directive (AD) for certain Airbus Helicopters Model AS332L1 and EC225LP helicopters. This AD was prompted by a determination of a possible interference of the hoist operator's helmet cord with the toggle switch of the hoist cable cut control. This AD requires replacing, or modifying and re- identifying, certain hoist shear toggle switch supports, and prohibits installing certain hoist shear toggle switch supports, 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 4 Apr 2025 compliance, regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, aircraft maintenance

✈️Airworthiness Directive for BRP-Rotax Engines

The FAA is adopting a new airworthiness directive (AD) for certain BRP-Rotax GmbH & Co KG (Rotax) Model 912 iSc2 Sport, 912 iSc3 Sport, 915 iSc2 C24, and 915 iSc3 C24 engines. This AD was prompted by a report of deviations during the manufacturing process that caused incorrect application of a certain thread-locker to certain sprag clutch housing and oil spray nozzles. This AD requires repetitive operational checks of the battery backup function with removal of the engine from service if insufficient battery power is found, one-time inspections of the oil spray nozzle and generator stator assembly, and, depending on the results of the inspections, replacement with parts eligible for installation. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 4 Apr 2025 compliance, regulations, aviation, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus helicopters, airworthiness

🚁New Airworthiness Directive for Airbus Helicopters Effective May 2025

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model SA330J helicopters. This AD was prompted by the determination that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance records by incorporating new or more restrictive airworthiness limitations, 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 4 Apr 2025 regulatory compliance, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus, airworthiness, helicopter maintenance

🚁New Airworthiness Directive for Airbus Helicopters

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters (Airbus) Model AS350B, AS350B1, AS350B2, AS350B3, AS350BA, AS350D, AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP, EC130B4, and EC130T2 helicopters. This AD was prompted by a manufacturer assessment that determined additional actions are necessary to improve particle detection for main gearboxes (MGBs) with certain planet gear bearings installed. This AD requires repetitively inspecting the MGB bevel wheel and the MGB magnetic plug for particles and prohibits installing an affected MGB unless certain requirements are met. These actions are 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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Proposed Rule 3 Apr 2025 compliance, regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, embraer

✈️Proposed Airworthiness Directive for Embraer EMB-505 Airlines

The FAA proposes to supersede Airworthiness Directive (AD) 2023-22-11, which applies to certain Embraer S.A. (Embraer) Model EMB- 505 airplanes. AD 2023-22-11 requires repetitively replacing the clutch retaining bolt and washer of the aileron autopilot servo mount. Since the FAA issued AD 2023-22-11, the FAA has determined that the applicability should be expanded to include all Model EMB-505 airplanes and, for certain airplanes, an additional requirement is necessary for the initial replacement of the retaining bolt and washer. This proposed AD would also provide an optional terminating action for the repetitive retaining bolt and washer replacement. These actions are specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) 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 3 Apr 2025 compliance, aviation safety, incorporation by reference, federal aviation administration, navigation (air), airports, air traffic control, airport operations, standard instrument approach procedures

✈️Regulatory Amendments to Standard Instrument Approach Procedures

This rule amends, suspends, or removes Standard Instrument Approach Procedures (SIAPs) and associated Takeoff Minimums and Obstacle Departure Procedures for operations at certain airports. These regulatory actions are needed because of the adoption of new or revised criteria, or because of changes occurring in the National Airspace System, such as the commissioning of new navigational facilities, adding new obstacles, or changing air traffic requirements. These changes are designed to provide for the safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.

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Rule 3 Apr 2025 compliance, regulations, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus, airworthiness

🚁Airworthiness Directives for Airbus Helicopters

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model AS332C1 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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