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The FAA has issued a final airworthiness directive (AD) for certain Pilatus Aircraft Ltd. Model PC-12/47E airplanes to address a safety issue. The problem stems from inboard flap fairings with an incorrect shape, potentially leading to chafing with a tension rod, which could cause a failure in the flap system and reduce airplane control. The AD requires inspections of the affected parts to check for chafing and to ensure the correct shape; corrective actions must be taken if necessary. The rule applies to specific serial numbers and outlines inspection requirements, with expected compliance costs detailed.

The Bureau of Industry and Security (BIS) within the Department of Commerce has issued a final rule that amends the Export Administration Regulations by adding 12 new entities to the Entity List. These entities, primarily from China and one from Taiwan, are suspected of activities that go against U.S. national security and foreign policy interests, such as supporting military modernization efforts with the use of advanced artificial intelligence and supercomputing technologies. This amendment requires a specific license for any exports, reexports, or in-country transfers involving these entities, with a general policy of denying these licenses. The rule became effective on March 25, 2025.

The Federal Energy Regulatory Commission has received several filings related to electric corporate, exempt wholesale generator, and electric rate matters. Companies such as AES Southland Energy, Trent River Solar, and Southwest Power Pool have submitted applications and notices for authorization, self-certification, and tariff amendments. These submissions, filed on various dates in January 2021, invite comments by the specified due dates. The filings can be accessed through the Commission's eLibrary system and those interested in intervening or protesting must adhere to the Commission's regulations by the respective deadlines.

Columbia Gas Transmission, LLC has requested an extension from the Federal Energy Regulatory Commission to complete sections of its Line 8000 Replacement Project in West Virginia and Maryland. They initially had until January 17, 2021, but due to delays in securing land rights from the Maryland Department of Natural Resources, they are seeking an extension until January 17, 2023. During this time, people can comment on the request, and the commission will decide whether to grant the extension. Generally, the commission tries to resolve contested extension requests within 45 days and will not reconsider the original approval of the project.

The Federal Aviation Administration (FAA) has issued a final rule introducing a new airworthiness directive (AD) for certain CFM International LEAP-1 model engines due to a manufacturing issue involving turbine disks with incorrect grain size. This directive mandates the removal and replacement of certain low-pressure turbine disks to prevent potential engine damage and ensure flight safety. Effective April 8, 2025, these actions are required to address any unsafe conditions in affected engines, thus promoting the safe operation of aircraft.

The Department of Energy (DOE) issued a correction to a December 2020 rule establishing separate product classes for fast cycle top and front-loading clothes washers and dryers. This correction addresses comments from California utilities, which were initially omitted, opposing the rule due to concerns of potential violations of energy conservation standards and lack of supporting evidence for consumer demand. Despite these objections, DOE maintains that the new classes will not violate conservation laws and are intended to encourage the development of quicker cycle appliances. The DOE plans to conduct further rulemakings to ensure energy efficiency standards for the new product classes.

The Federal Aviation Administration (FAA) has proposed a new safety rule concerning specific models of GE turbofan engines due to reports of cracks in the lower fuel manifold that could lead to fuel leaks and engine fires. The rule requires inspections of this part and, if cracks are found, its replacement with a new one. This action is termed "interim," as a long-term solution is being developed. Stakeholders are invited to submit comments on this proposal by April 12, 2021.

One Drop Hydro, LLC, has applied for a preliminary permit to study the feasibility of the Manville Dam Project on the Blackstone River in Rhode Island. The proposed project includes installing two 125-kilowatt turbines and connecting them to the regional grid to generate about 1,839 megawatt-hours of electricity annually. The Federal Energy Regulatory Commission is accepting comments and competing applications for 60 days from the issuance of this notice. People can submit their comments electronically through the Commission's eFiling system or via mail.

The Department of Energy's Office of Environmental Management is announcing an in-person and virtual meeting of the Environmental Management Site-Specific Advisory Board (EM SSAB) for Oak Ridge. Scheduled for April 9, 2025, from 6-8 p.m. EDT, the meeting will take place at the DOE Information Center in Oak Ridge, Tennessee, and also be accessible via Zoom. The Board provides advice on site-specific issues, including clean-up activities and waste management, and welcomes public participation. Public comments can be submitted before and after the meeting, and the event will be accessible to persons with disabilities.

The Federal Aviation Administration (FAA) issued an airworthiness directive (AD) affecting specific General Electric turbofan engines. This directive was prompted by incidents leading to significant fuel loss and engine shutdowns during flights. To address these issues, the AD mandates initial and repetitive shim checks of specific components and performs tests if necessary, to ensure safety. This measure aims to prevent engine failures and potential hazards to aircraft and passengers.