Proposed Rule 21 Mar 2025 regulatory compliance, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, maintenance, airbus, airworthiness

✈️Proposed Airworthiness Directive for Airbus A350

The FAA proposes to supersede Airworthiness Directive (AD) 2023-02-18, which applies to certain Airbus SAS Model A350-941 and - 1041 airplanes. AD 2023-02-18 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2023-02-18, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This proposed AD would continue to require certain actions in AD 2023-02-18 and would require revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, 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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Rule 20 Mar 2025 compliance, regulations, aviation, faa, aircraft, aviation safety, reporting and recordkeeping requirements, cybersecurity, airworthiness, canard aerospace, dhc-8-400

✈️FAA Issues Special Conditions for Canard Aerospace’s DHC-8-400

These special conditions are issued for a supplemental type certificate (STC) to install a digital systems architecture on the DeHavilland Model DHC-8-400 series airplane. This airplane, as modified by the Canard Aerospace Corporation (Canard), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is the installation of a digital systems architecture that will allow increased connectivity to and access from external network sources (e.g., operator networks, wireless devices, internet connectivity, service provider satellite communications, electronic flight bags, etc.) to the airplane's previously isolated electronic assets (networks, systems, and databases). The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

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Proposed Rule 20 Mar 2025 compliance, regulations, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, maintenance, airbus, airworthiness, helicopters, easa

✈️Proposed Rulemaking for Airbus EC225LP Airworthiness Directive

The FAA proposes to adopt a new airworthiness directive (AD) for all Airbus Helicopters Model EC225LP helicopters. This proposed AD was prompted by a determination that new or more restrictive airworthiness limitations are necessary. This proposed AD would require 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 proposed for incorporation by reference. The FAA is proposing this AD to address the unsafe condition on these products.

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Rule 19 Mar 2025 regulation, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, boeing, inspections

✈️New Airworthiness Directive for Boeing 777

The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 777-200, -200LR, -300, -300ER, and 777F series airplanes. This AD was prompted by a report of a 5-inch crack on the upper wing skin at a certain wing station of the right wing. This AD requires repetitive inspections for cracking of the upper wing skin common to certain fasteners and applicable on-condition actions. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 19 Mar 2025 regulatory compliance, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness, pratt & whitney, engine maintenance

✈️New FAA Airworthiness Directive on Pratt & Whitney Canada Engines

The FAA is adopting a new airworthiness directive (AD) for certain Pratt & Whitney Canada Corp. (P&WC) Model PW535E and PW535E1 engines. This AD was prompted by a manufacturer design review that indicated certain flange bolts securing the gas generator case and turbine support case are susceptible to cracking at their current low- cycle fatigue (LCF) life. This AD requires repetitive borescope inspections (BSI) of the gas generator case to turbine support case retaining bolts for evidence of bolt cracks, bolt fracture, missing bolts, or loose bolts and replacement, if necessary, 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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Rule 19 Mar 2025 compliance, regulations, aviation, safety, airworthiness

✈️Airworthiness Directive Regulation Update for De Havilland Aircraft

This document announces a correction to a previously published airworthiness directive affecting De Havilland Aircraft. The directive outlines the effective date of compliance, ensuring that operators of affected aircraft maintain safety standards. Corrections include date adjustments pertinent to regulatory requirements for aircraft operation.

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Rule 18 Mar 2025 compliance, regulation, aviation, safety, aircraft, aviation safety, incorporation by reference, air transportation, airworthiness

✈️New Airworthiness Directive for Airbus A350 Airplanes

The FAA is adopting a new airworthiness directive (AD) for all Airbus SAS Model A350-941 and A350-1041 airplanes. This AD was prompted by a report indicating that the thrust reverser and pylon thermal blankets were found damaged due to air leaking from the pre-cooler exchanger (PCE). This AD requires repetitively testing the PCE for air leaks and reporting the results, and, depending on findings, inspecting the thermal blankets for damage and replacing the PCE, 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 13 Mar 2025 compliance, regulation, aviation, safety, aircraft, aviation safety, incorporation by reference, air transportation, maintenance, airworthiness, general electric

✈️New Airworthiness Directive for GE Engines Affects Compliance and Costs

The FAA is adopting a new airworthiness directive (AD) for all General Electric Company (GE) Model CT7-2E1 engines. This AD was prompted by a revised analysis using an updated stress model, which calculated that the actual life limit of the CT7-2E1 stage 2 turbine aft cooling plate is less than the current life limit. This AD requires revision of the airworthiness limitations section (ALS) of the existing CT7-2E1 engine maintenance manual (EMM) and the operator's existing approved maintenance program or inspection program, as applicable, to incorporate a reduced life limit for this part. The FAA is issuing this AD to address the unsafe condition on these products.

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Rule 11 Mar 2025 compliance, regulations, aviation, faa, safety, aircraft, aviation safety, incorporation by reference, air transportation, airbus, airworthiness

✈️New Airworthiness Directive for Airbus Canada Airplanes

The FAA is adopting a new airworthiness directive (AD) for all Airbus Canada Limited Partnership (ACLP) Model BD-500-1A10 and 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 using a certain version of the aircraft structural repair manual (ASRP) and a review and disposition of repairs based on previous versions, 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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Rule 7 Mar 2025 compliance, regulations, aviation, safety, aircraft, aviation safety, incorporation by reference, air transportation, helicopter, airworthiness

🚁New Airworthiness Directive for Airbus Helicopters

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Model EC 155B, EC155B1, SA-365N, SA-365N1, AS-365N2, and AS 365 N3 helicopters. This AD prompted by an engine compartment fire where the upper stiffener of the central firewall in the engine compartment was found damaged. This AD requires replacing the aluminum central firewall stiffener with a titanium central firewall stiffener and prohibits installing an aluminum central firewall stiffener. 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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