Department of Transportation – Federal Register Recent Federal Regulation Documents
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Qualification of Drivers; Exemption Applications; Epilepsy and Seizure Disorders
FMCSA announces its decision to exempt 13 individuals from the requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) that interstate commercial motor vehicle (CMV) drivers have "no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a CMV." The exemptions enable these individuals who have had one or more seizures and are taking anti- seizure medication to operate CMVs in interstate commerce.
Qualification of Drivers; Exemption Applications; Epilepsy and Seizure Disorders
FMCSA announces its decision to renew exemptions for eight individuals from the requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) that interstate commercial motor vehicle (CMV) drivers have "no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a CMV." The exemptions enable these individuals who have had one or more seizures and are taking anti-seizure medication to continue to operate CMVs in interstate commerce.
Qualification of Drivers; Exemption Applications; Hearing
FMCSA announces its decision to renew exemptions for 13 individuals from the hearing requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) for interstate commercial motor vehicle (CMV) drivers. The exemptions enable these hard of hearing and deaf individuals to continue to operate CMVs in interstate commerce.
Qualification of Drivers; Exemption Applications; Hearing
FMCSA announces its decision to exempt 16 individuals from the hearing requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) to operate a commercial motor vehicle (CMV) in interstate commerce. The exemptions enable these hard of hearing and deaf individuals to operate CMVs in interstate commerce.
Qualification of Drivers; Exemption Applications; Epilepsy and Seizure Disorders
FMCSA announces its decision to renew exemptions for seven individuals from the requirement in the Federal Motor Carrier Safety Regulations (FMCSRs) that interstate commercial motor vehicle (CMV) drivers have "no established medical history or clinical diagnosis of epilepsy or any other condition which is likely to cause loss of consciousness or any loss of ability to control a CMV." The exemptions enable these individuals who have had one or more seizures and are taking anti-seizure medication to continue to operate CMVs in interstate commerce.
Agency Information Collection Activities; Renewal of an Approved Information Collection: Transportation of Household Goods; Consumer Protection
In accordance with the Paperwork Reduction Act of 1995, FMCSA announces its plan to submit the Information Collection Request (ICR) described below to the Office of Management and Budget (OMB) for its review and approval and invites public comment. FMCSA requests OMB's renewed approval of the ICR titled "Transportation of Household Goods; Consumer Protection," which applies to household goods motor carriers who are procured by the public (household goods shippers) to transport their household goods. This renewal revises the previous information collection's number of respondents, total respondent hours, and cost burden.
Commercial Driver's License: Bianco Trucking Services, LLC d.b.a. CDL and Operator Training; Application for Exemption
The Federal Motor Carrier Safety Administration (FMCSA) requests public comment on the application from Bianco Trucking Services, LLC d.b.a. CDL and Operator Training ("Bianco") for an exemption to allow drivers aged 18, 19, and 20 years with a Wisconsin State-issued commercial learners permit (CLP) and a "K" restriction on their CLP to attend its driver training facility in Michigan. Bianco is a registered entry-level driver training (ELDT) provider listed on the Agency's Training Provider Registry (TPR).
Petition for Exemption; Summary of Petition Received; Houff Corporation
This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion nor omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Waiver of Buy America Requirements for the Pacific Island Territories and the Freely Associated States
The Department of Transportation (DOT) is finalizing a general applicability public interest waiver of the requirements of section 70914(a) of the Build America, Buy America Act (BABA) and related domestic preference statutes administered by DOT and its Operating Administrations (OAs) for federal financial assistance awarded for infrastructure projects located in the Commonwealth of Northern Mariana Islands (CNMI), Guam, and American Samoa, collectively referred to as the Pacific Island territories. The waiver would also apply to discretionary grant assistance provided by DOT to the Freely Associated States (the Republic of Palau, Republic of the Marshall Islands, and Federated States of Micronesia) in the Pacific that is subject to a domestic preference statute (which does not include BABA, as that statute only applies to the United States and its territories). The waiver will remain in effect for five years after the effective date of the final waiver. This action also terminates the previously issued temporary general applicability waiver for this region.
ADS-Equipped Vehicle Safety, Transparency, and Evaluation Program
This document proposes a voluntary framework for the evaluation and oversight of motor vehicles equipped with automated driving systems (ADS). The ADS-equipped Vehicle Safety, Transparency, and Evaluation Program (AV STEP) would establish a national program for ADS-equipped vehicles that operate or may operate on public roads in the United States under NHTSA's oversight with the goal of improving public transparency related to the safety of certain ADS-equipped vehicles, while allowing for responsible development of this technology. This proposal includes procedures for application, participation, public reporting, and program administration. It identifies content requirements for applications, including independent assessments of ADS safety processes, such as the safety cases used and conformance to industry standards. These application requirements will inform NHTSA's decisions on terms and conditions for participation. The proposal also contains reporting requirements for participants, including periodic and event-triggered reporting.
Petition for Exemption; Summary of Petition Received; Wheels Up
This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion nor omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Airworthiness Directives; Siam Hiller Holdings, Inc, Helicopters
The FAA proposes to adopt a new airworthiness directive (AD) for Siam Hiller Holdings, Inc. (Siam Hiller), Model UH-12E (Army OH-23G and H-23F) and UH-12E-L helicopters. This proposed AD was prompted by reports of cracks found in a main rotor (M/R) transmission drive shaft (drive shaft). This proposed AD would require inspecting certain M/R drive shafts for a crack, prohibit installing certain M/R drive shafts unless the inspection is done, and prohibit using certain paint removers. The FAA is proposing this AD to address the unsafe condition on these products.
Civil Monetary Penalties-2025 Adjustment
The Surface Transportation Board (Board) is issuing a final rule to implement the annual inflationary adjustment to its civil monetary penalties, pursuant to the Federal Civil Penalties Inflation Adjustment Act Improvements Act of 2015.
Petition for Exemption; Summary of Petition Received; Wheels Up
This notice contains a summary of a petition seeking relief from specified requirements of Federal Aviation Regulations. The purpose of this notice is to improve the public's awareness of, and participation in, the FAA's exemption process. Neither publication of this notice nor the inclusion nor omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Buy America Requirements for Manufactured Products
This final rule amends FHWA's Buy America regulation to terminate FHWA's general waiver for manufactured products and establish Buy America requirements for manufactured products with respect to Federal-aid highway projects. The standards for applying Buy America to manufactured products are generally consistent with the Office of Management and Budget's (OMB) guidance implementing the Build America, Buy America Act (BABA) provisions of the Infrastructure Investment and Jobs Act (also known as the Bipartisan Infrastructure Law (BIL)).
Airworthiness Directives; Embraer S.A. (Type Certificate Previously Held by Yaborã Indústria Aeronáutica S.A.; Embraer S.A.) Airplanes
The FAA is superseding Airworthiness Directive (AD) 2023-23- 10, which applied to all Embraer S.A. Model ERJ 190-300 airplanes. AD 2023-23-10 required repetitive inspections of the press-fitted bushings of the wing ailerons for migration and broken sealant, measurements of the distance between the aileron surfaces and hinge fittings, functional checks of the backlash of the wing aileron control system, and all applicable related investigative and corrective actions. Since the FAA issued AD 2023-23-10, it was determined that certain requirements needed to be clarified. This AD continues to require all actions of ANAC AD 2023-06-01 with revised compliance requirements, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Embraer S.A. (Type Certificate Previously Held by Yaborã Indústria Aeronáutica S.A.; Embraer S.A.) Airplanes
The FAA is superseding Airworthiness Directive (AD) 2023-23- 09, which applied to all Embraer S.A. Model ERJ 190-400 airplanes. AD 2023-23-09 required repetitive inspections of the press-fitted bushings of the wing ailerons for migration and broken sealant, measurements of the distance between the aileron surfaces and hinge fittings, functional checks of the backlash of the wing aileron control system, and all applicable related investigative and corrective actions. Since the FAA issued AD 2023-23-09, it was determined that certain requirements needed to be clarified. This AD continues to require all actions of ANAC AD 2023-05-02 with revised compliance requirements, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Agency Information Collection Activities; Notice and Request for Comment; Assessing the Fit and Comfort of Motorcycle Safety Gear
The National Highway Traffic Safety Administration (NHTSA) invites public comments about our intention to request approval from the Office of Management and Budget (OMB) for a new information collection. Before a Federal agency can collect certain information from the public, it must receive approval from OMB. Under procedures established by the Paperwork Reduction Act of 1995, before seeking OMB approval, Federal agencies must solicit public comment on proposed collections of information, including extensions and reinstatement of previously approved collections. This document describes a new collection of information for which NHTSA intends to seek OMB approval to gather information on the personal protective equipment (PPE) motorcyclists wear including helmets and riding jackets, pants, boots, and gloves, how well the PPE fits, and how comfortable riders find it to be.
Draft Designation of National Multimodal Freight Network and State Input Process
The U.S. Department of Transportation (DOT or Department) is publishing a draft designation of the National Multimodal Freight Network (NMFN or Network) as required Federal law. The designation is informed by the comments received on a notice published by DOT on April 12, 2024. DOT is also using this notice to request comments or proposed modifications to the draft Network prior to designating the Network. Once the Network is designated by DOT, States will have the opportunity to submit additional designations through the "State Input" process required by statute.
Notice of Proposed Waiver of Buy America Requirements for Tier 0, Tier 1, and Non-Tiered Locomotives
The Federal Railroad Administration (FRA) is seeking comments on whether to grant a general applicability public interest waiver of its Buy America requirements for the purchase of used locomotives that would serve as the underframe or chassis to convert them to all- electric, renewable diesel, battery-powered, or other renewable-energy locomotives. Such projects would remove highly polluting locomotives from the national rail network and replace them with more efficient locomotives that will reduce overall emissions, address environmental burdens on communities, and create domestic jobs. Purchases of these locomotives under FRA-funded projects are subject to FRA's Buy America requirements. However, given the age of these used locomotives, it is difficult and may not be possible to verify whether they are fully compliant with FRA's Buy America requirements. In this general applicability waiver, FRA does not propose to waive the applicable Build America, Buy America Act (BABA) requirements. This proposed waiver would not apply to any other manufactured products, steel, iron, or construction materials.
Commercial Driver's License: International Motors, LLC; Application for Exemption
The Federal Motor Carrier Safety Administration (FMCSA) requests public comment on the application from International Motors, LLC (International), formally known as Navistar, for an exemption from the commercial driver's license (CDL) regulations to allow three Swedish commercial license holders to operate commercial motor vehicles (CMVs) in the United States.
Commercial Driver's License: Application for Exemption; James D. Welch
FMCSA announces that it has received an application for an exemption from James D. Welch, a Weapons Safety Division Chief for the U.S. Air Force Reserve Command (AFRC). Mr. Welch requests an exemption for Air Reserve Technicians (ARTs) working under the AFRC from the requirement to obtain a commercial driver's license (CDL) to operate a commercial motor vehicle (CMV). Currently, the CDL regulations contain an exception for certain military drivers when operating CMVs for military purposes, but that exception does not cover U.S. Reserve technicians such as ARTs. FMCSA requests public comment on the applicant's request for exemption for ARTs and on whether, if granted, the exemption should apply to all U.S. Reserve technicians.
Notice of Final Federal Agency Actions on the US 380 Project in Texas
This notice announces actions taken by TxDOT and Federal agencies that are final. The environmental review, consultation, and other actions required by applicable Federal environmental laws for this project are being, or have been, carried out by TxDOT pursuant to an assignment agreement executed by FHWA and TxDOT. These actions grant licenses, permits, and approvals for the US 380 project, from FM 1827 to CR 560 in Collin County, Texas.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Report of Inspections Required by Airworthiness Directives, Part 39
In accordance with the Paperwork Reduction Act of 1995, FAA invites public comments about our intention to request the Office of Management and Budget (OMB) approval to renew an information collection. The Federal Register Notice with a 60-day comment period soliciting comments on the following collection of information was published on October 21, 2024. The collection involves the member of the public that may submit an Alternative Methods of Compliance (AMOC) request to the FAA by using the Airworthiness Directives Development (ADD) External website. The information to be collected will be used to support publicly disseminated information to the FAA and/or is necessary because this information supports the Department of Transportation's strategic goal to promote the public health and safety by working toward eliminating transportation-related deaths and injuries.
Seaway Regulations and Rules: Periodic Update, Various Categories
The Great Lakes St. Lawrence Seaway Development Corporation (GLS) and the St. Lawrence Seaway Management Corporation (SLSMC) of Canada, under international agreement, jointly publish and presently administer the St. Lawrence Seaway Regulations and Rules (Practices and Procedures in Canada) in their respective jurisdictions. Under agreement with the SLSMC, the GLS is amending the joint regulations by updating the regulations and rules in various categories. These changes are to clarify existing requirements in the regulations.
Updated Means of Providing Recall Notification
In accordance with the Moving Ahead for Progress in the 21st Century Act (MAP-21) and the Fixing America's Surface Transportation Act (FAST Act), NHTSA is proposing to amend the means of required recall notification to include notification by electronic means, in addition to first-class mail, and proposing certain other attendant obligations related to this requirement. NHTSA is also proposing to revise certain language that is currently required for recall notifications, as well as to update certain language in the regulation and the office designation for NHTSA's Recall Management Division and NHTSA's web address.
Federal Motor Carrier Safety Regulations; Correction
In a final rule published in the Federal Register on November 18, 2024, FMCSA amended its regulations by making technical corrections throughout the Federal Motor Carrier Safety Regulations (FMCSRs). The final rule included an amendatory instruction to revise a stayed section without first lifting the stay. The final rule also included an amendatory instruction which referenced an incorrect paragraph letter. The Agency corrects these errors.
Avalon Motor Coaches, LLC-Acquisition of Control-Rose Chauffeured Transportation, Inc.
On December 11, 2024, Avalon Motor Coaches, LLC (Avalon Motor Coach), an interstate passenger motor carrier, together with its noncarrier affiliates Virgin-Fish, Inc. (Virgin-Fish), and Jeffrey Brush (Avalon Motor Coach, Virgin-Fish, and Jeffrey Brush will be collectively referred to as "Avalon") filed an application for Avalon to purchase most of the assets of another interstate passenger motor carrier, Rose Chauffeured Transportation, Inc. (Rose), and assume substantially all of its outstanding contracts related to its charter services. The Board is tentatively approving and authorizing this transaction. If no opposing comments are timely filed, this notice will be the final Board action.
Notice of Final Federal Agency Actions on Transportation Project in Wisconsin
This notice announces actions taken by FHWA and other Federal agencies, on behalf of Wisconsin Department of Transportation (WisDOT), that are final. The actions relate to a proposed highway project, Interstate 39/90/94 (I-39/90/94), US 12/18 to WIS 60, WIS 60 to Levee Road, US 16/WIS 12 to I-39, in Dane, Columbia, Sauk, and Juneau counties, Wisconsin. Those actions grant licenses, permits and approvals for the project.
Railroad Cost of Capital-2024
The Board is instituting a proceeding to determine the railroad industry's cost of capital for 2024. The decision solicits comments on the following issues: the railroads' 2024 current cost of debt capital, the railroads' 2024 current cost of preferred equity capital (if any), the railroads' 2024 cost of common equity capital, and the 2024 capital structure mix of the railroad industry on a market value basis.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 757 airplanes. This AD was prompted by reports of several occurrences of a power transfer unit (PTU) control valve that failed to open when commanded. This AD requires installing new relays and changing certain wire bundles leading to the PTU control valve. The FAA is issuing this AD to address the unsafe condition on these products.
Hazardous Materials: Advancing Safety of Highway, Rail, and Vessel Transportation; Extension of Comment Period
On October 28, 2024, PHMSA published a notice of proposed rulemaking (NPRM) titled "Hazardous Materials: Advancing Safety of Highway, Rail, and Vessel Transportation (HM-265)," proposing amendments to the Hazardous Materials Regulations (HMR) to adopt several modal-specific amendments that would enhance the safe transportation of hazardous materials in commerce by highway, rail, and vessel transportation. In response to a request for an extension of the comment period submitted by the Railway Supply Institute (RSI), PHMSA is extending the comment period for the HM-265 NPRM by an additional 90 days.
Charter Service
The Federal Transit Administration (FTA) is proposing to amend regulations that govern the provision of charter service by recipients of Federal financial assistance. The proposed changes will remove the Federal Financial Assistance Programs listed in an appendix and the guidance in additional appendices and make non-substantive technical edits throughout to remove outdated citations and provide clarity.
TIP Minnesota Coaches Acquisition LLC, TIP MN Investments LP, and Tiger Infrastructure Partners Fund IV AIV LP-Acquisition of Control-Marschall Line, Inc., Minnesota Coaches, Inc., Rehbein Transit Co., Inc., Ready Bus Company, Inc., Voyageur Bus Company, Inc., Minn-Dakota Coaches, Inc., and Faribault Transportation Service, Inc.
TIP Minnesota Coaches Acquisition LLC, TIP MN Investments LP, and Tiger Infrastructure Partners Fund IV AIV LP (Applicants) filed an application seeking authority to acquire control of seven interstate passenger motor carriers: Marschall Line, Inc. (Marschall Line), Minnesota Coaches, Inc. (Minnesota Coaches), Rehbein Transit Co., Inc. (Rehbein), Ready Bus Company Inc. (Ready Bus), Voyageur Bus Company, Inc. (Voyageur Bus), Minn-Dakota Coaches, Inc. (Minn-Dakota), and Faribault Transportation Service, Inc. (FTS) (collectively, the Subject Carriers). The Board is tentatively approving and authorizing the transaction. If no opposing comments are timely filed, this notice will be the final Board action.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
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.
Standard Instrument Approach Procedures, and Takeoff Minimums and Obstacle Departure Procedures; Miscellaneous Amendments
This rule establishes, amends, suspends, or removes Standard Instrument Approach Procedures (SIAPS) and associated Takeoff Minimums and Obstacle Departure procedures (ODPs) 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 safe and efficient use of the navigable airspace and to promote safe flight operations under instrument flight rules at the affected airports.
Agency Information Collection Activities; Renewal of an Approved Information Collection: Electronic Logging Device (ELD) Vendor Registration
In accordance with the Paperwork Reduction Act of 1995, FMCSA announces its plan to submit the Information Collection Request (ICR) described below to the Office of Management and Budget (OMB) for its review and approval and invites public comment. FMCSA requests approval to renew an ICR titled, "Electronic Logging Device (ELD) Vendor Registration." This ICR is necessary for ELD vendors to register their ELDs with the Agency.
Agency Information Collection Activities; Renewal of an Approved Information Collection Request: Medical Qualification Requirements
In accordance with the Paperwork Reduction Act of 1995, FMCSA announces its plan to submit the Information Collection Request (ICR) described below to the Office of Management and Budget (OMB) for review and approval. The FMCSA requests approval to renew an ICR titled, "Medical Qualification Requirements," due to updated information for several of the Information Collections (ICs) discussed. This ICR is needed to ensure that drivers, motor carriers, and the States are complying with the physical qualification requirements of commercial motor vehicle (CMV) drivers. The information collected is used to determine and certify driver medical fitness and must be collected in order for our highways to be safe. On September 17, 2024, FMCSA published a 60-day notice requesting comment on the renewal of this ICR. In response to this notice, no comments were received.
Agency Information Collection Activities; New Information Collection: Study of Warning Devices for Stopped Commercial Motor Vehicles
In accordance with the Paperwork Reduction Act of 1995, FMCSA announces its plan to submit the Information Collection Request (ICR) described below to the Office of Management and Budget (OMB) for its review and approval and invites public comment. This notice invites comments on a proposed information collection titled "Study of Warning Devices for Stopped Commercial Motor Vehicles." It is an experimental study that requires data collection for evaluating whether warning devices meaningfully influence crash-relevant aspects of human performance in the presence of a parked or disabled commercial motor vehicle (PDCMV), and if so, how and to what extent. These data collection efforts are expected to require the participation of 256 drivers.
Airworthiness Directives; Airbus Defense and Space S.A. (Formerly Known as Construcciones Aeronauticas, S.A.) Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Airbus Defense and Space S.A. Model CN-235, CN-235-200, and CN-235-300 airplanes. This AD was prompted by a torn bulkhead seal found jamming the nose landing gear (NLG) emergency cable pulley. Due to the similarity of design, the main landing gear (MLG) emergency cable pulley could be exposed to the same failure mode. This AD requires repetitive inspections and corrective actions for damage of affected bulkhead seals and retainer rings, and repetitive replacement of affected parts, 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.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for all The Boeing Company Model 767-200, -300, and -300F airplanes. This AD was prompted by a report of a main landing gear (MLG) collapse event following maintenance where a grinder was operating outside of its input parameters, resulting in possible heat damage to the outer cylinder of the MLG. This AD requires replacing affected outer cylinders. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Gulfstream Aerospace Corporation Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Gulfstream Aerospace Corporation Model GVII-G500 and GVII-G600 airplanes. This AD was prompted by a report of cracking in the electrical grounding receptacles located on the left and right wings. This AD requires inspecting the electrical grounding receptacles for cracks and corrosion, performing applicable on-condition actions, and sealing over the grounding receptacles on the top of the wings to permanently disable the receptacle. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; General Electric Company Engines
The FAA is adopting a new airworthiness directive (AD) for certain General Electric Company (GE) Model GEnx-1B64, GEnx-1B64/P1, GEnx-1B64/P2, GEnx-1B67, GEnx-1B67/P1, GEnx-1B67/P2, GEnx-1B70, GEnx- 1B70/75/P1, GEnx-1B70/75/P2, GEnx-1B70/P1, GEnx-1B70/P2, GEnx-1B70C/P1, GEnx-1B70C/P2, GEnx-1B74/75/P1, GEnx-1B74/75/P2, GEnx-1B76/P2, GEnx- 1B76A/P2, GEnx-2B67, GEnx-2B67B, and GEnx-2B67/P engines. This AD was prompted by a manufacturer evaluation that determined a lower life limit may be necessary for certain stages 6-10 compressor rotor spools than allowed by the engine shop manual (ESM). This AD requires a one- time inspection of the stages 6-10 spools for previously accomplished blend repairs, a one-time inspection of the blend repairs on the stages 6-10 spools for compliance with the updated allowable limits, and replacement if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; CFM International, S.A. Engines
The FAA is adopting a new airworthiness directive (AD) for certain CFM International, S.A. (CFM) Model LEAP-1B engines. This AD was prompted by a report of a quality escape involving certain high- pressure compressor (HPC) stage 2 seals manufactured without detailed finish machining, which could result in deeper rubs and mechanical damage to the seal teeth of the stage 3-4 compressor rotor blisk (stage 3-4 blisk) of the mating compressor rotor during initial operation. This AD requires a visual inspection of the HPC stage 2 seal, a visual inspection of the forward arm seal teeth of the stage 3-4 blisk, an eddy current inspection (ECI) of the forward arm seal teeth of the stage 3-4 blisk, and replacement of the HPC stage 2 seal and the stage 3-4 blisk, if necessary. The FAA is issuing this AD to address the unsafe condition on these products.
Federal Motor Vehicle Safety Standards; Child Restraint Systems, Child Restraint Anchorage Systems, Incorporation by Reference
This final rule amends Federal Motor Vehicle Safety Standard (FMVSS) No. 225; Child restraint systems, and FMVSS No. 213b; Child restraint systems, to improve ease-of-use of the lower and tether anchorages, improve correct use of child restraint systems in vehicles, and maintain or improve the correct use and effectiveness of child restraint systems (CRSs) in motor vehicles. This final rule fulfills a mandate of the Moving Ahead for Progress in the 21st Century Act (MAP- 21) requiring that NHTSA improve the ease-of-use for lower anchorages and tethers in all rear seat positions.
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