Department of Transportation 2024 – Federal Register Recent Federal Regulation Documents
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Family Seating in Air Transportation
The U.S. Department of Transportation (Department or DOT) is extending the comment end date for interested persons to submit comments to its proposed rule on Family Seating in Air Transportation from October 8, 2024, to November 7, 2024.
Amendment of United States Area Navigation (RNAV) Route Q-83; Eastern United States
This action amends United States Area Navigation (RNAV) Route Q-83 in the eastern United States. This action supports the Northeast Corridor Atlantic Coast Routes (NEC ACR) Optimization Project to improve the efficiency of the National Airspace System (NAS).
Amendment of Class D and Class E Airspace and Revocation of Class E Airspace; Youngstown/Warren, OH
This action proposes to amend the Class D and Class E airspace and revoke Class E airspace at Youngstown/Warren, OH. The FAA is proposing this action as the result of an airspace review conducted due to the decommissioning of the Youngstown very high frequency omnidirectional range (VOR) as part of the VOR Minimum Operational Network (MON) Program. The name and geographic coordinates of the airport would also be updated to coincide with the FAA's aeronautical database. This action will bring the airspace into compliance with FAA orders and support instrument flight rule (IFR) procedures and operations.
Amendment of Class E Airspace; Ottumwa, IA
This action proposes to amend the Class E airspace at Ottumwa, IA. The FAA is proposing this action as the result of an airspace review conducted due to the decommissioning of the Ottumwa very high frequency omnidirectional range (VOR) as part of the VOR Minimum Operational Network (MON) Program. This action would also update the name and geographic coordinates of the airport to coincide with the FAA's aeronautical database. This action will bring the airspace into compliance with FAA orders and support instrument flight rule (IFR) procedures and operations.
Establishment of Class E Airspace; Washburn, ND
This action proposes to establish Class E airspace at Washburn, ND. The FAA is proposing this action due to the development of new public instrument procedures at Washburn Municipal Airport, Washburn, ND, and to support instrument flight rule (IFR) operations.
Extension of the Prohibition Against Certain Flights in the Tehran Flight Information Region (FIR) (OIIX)
This action extends the prohibition against certain flight operations in the Tehran Flight Information Region (FIR) (OIIX) by all: U.S. air carriers; U.S. commercial operators; persons exercising the privileges of an airman certificate issued by the FAA, except when such persons are operating U.S.-registered aircraft for a foreign air carrier; and operators of U.S.-registered civil aircraft, except when the operator of such aircraft is a foreign air carrier, for an additional three years, from October 31, 2024, to October 31, 2027. The FAA finds this action necessary to address significant unacceptable safety-of-flight risks to U.S. civil aviation operations that continue in the Tehran FIR (OIIX) during periods of heightened regional tensions and increased military activities. The FAA also republishes the approval process and exemption information for this Special Federal Aviation Regulation (SFAR), consistent with other recently published flight prohibition SFARs.
Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2022-19-09, which applies to all Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. AD 2022-19-09 requires repetitive inspections of the left and right main landing gear (MLG) lower spindle pins to detect corrosion, and applicable repair or replacement. Since the FAA issued AD 2022-19-09, the tracking of flight cycles for inspections was changed from the usage of the MLG to the usage of MLG lower spindle assemblies and a replacement was developed, which would terminate the inspections. This proposed AD continues to require certain actions in AD 2022-19-09, would change the tracking of flight cycles for inspections from the usage of the MLG to the usage of MLG lower spindle assemblies, and would require replacement of affected MLG lower spindle assemblies, as specified in a Transport Canada AD, which is proposed for incorporation by reference (IBR). This proposed AD also would remove airplanes from the applicability. This proposed AD would also prohibit the installation of affected parts under certain conditions. The FAA is proposing this AD to address the unsafe condition on these products.
Massachusetts Bay Transportation Authority's Request To Amend Its Positive Train Control System
This document provides the public with notice that, on September 20, 2024, the Massachusetts Bay Transportation Authority (MBTA) submitted a request for amendment (RFA) to its FRA-certified positive train control (PTC) system to establish a Construction Zone (CZ) during November and December 2024, in order to install Automatic Train Control (ATC) on the final segment of MBTA's Fitchburg Line between CPF-330 and CPF-335. As this RFA may involve a request for FRA's approval of proposed material modifications to an FRA-certified PTC system, FRA is publishing this notice and inviting public comment on MBTA's RFA to its PTC system.
Airworthiness Directives; The Boeing Company Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain The Boeing Company Model 777-200, 777-200LR, 777-300ER, and 777F series airplanes. This AD was prompted by a report of potential latent failures of the lightning protection features for the engine fuel feed system. This AD requires repetitive inspections and bond resistance measurement of the bonding jumpers on the first fuel feed tube installed immediately forward of the wing front spar at each of the two engine locations, and applicable corrective actions. The FAA is issuing this AD to address the unsafe condition on these products.
Hazardous Materials: Notice of Hazardous Materials Transportation Seminar
The Pipeline and Hazardous Materials Safety Administration's (PHMSA) Office of Hazardous Materials Safety (OHMS) will hold a free Hazardous Materials Transportation Seminar from October 30, 2024, through November 1, 2024, at the Hyatt Regency Indianapolis, One South Capital Avenue, Indianapolis, IN 46204. The seminar will be a three-day event with a broad focus on outreach and engagement with PHMSA's stakeholders. Targeted stakeholders include shippers, transporters, and small business particularly in underserved communities, and emergency responders.
Airworthiness Directives; CFM International, S.A. Engines
The FAA proposes to adopt a new airworthiness directive (AD) for certain CFM International, S.A. (CFM) Model LEAP-1A and LEAP-1C engines. This proposed AD was prompted by an investigation of an in- flight shut down event that determined the aft arm of the high-pressure turbine (HPT) rotor interstage seal had failed. This proposed AD would require removal from service and replacement of the HPT rotor interstage seal for LEAP-1A engines. Since the HPT rotor interstage seal part number is interchangeable between LEAP-1A and LEAP-1C, this proposed AD will also prohibit installation of these affected parts onto any LEAP-1A or LEAP-1C engine. The FAA is proposing this AD to address the unsafe condition on these products.
Notice of Funding Opportunity for Projects Located Off the Northeast Corridor for the Fiscal Year 2024 Federal-State Partnership for Intercity Passenger Rail Program
The Federal Railroad Administration has published a Notice of Funding Opportunity (NOFO), which details the application requirements and procedures to obtain grant funding for eligible projects under the Fiscal Year (FY) 2024 Federal-State Partnership for Intercity Passenger Rail Program for Projects Not Located on the Northeast Corridor. The total funding available for awards under this NOFO is up to $1,057,596,637. The full text of the Notice of Funding Opportunity (NOFO) can be found on FRA's website at https://railroads.dot.gov/ federal-state-partnership-intercity-passenger and at www.Grants.gov using the funding opportunity ID FR-FSP-24-003.
Revocation of Alaskan Very High Frequency Omnidirectional Range Federal Airway V-447 and Jet Route J-155 and Amendment of Jet Route J-115 in Alaska
This action proposes to revoke Alaskan Very High Frequency Omnidirectional Range (VOR) Federal Airway V-447 and Jet Route J-155 and amend Jet Route J-115 in Alaska. These proposed actions are due to the decommissioning of the Chandalar Lake Nondirectional Radio Beacon (NDB) in Alaska.
Public Aircraft Logging of Flight Time, Training in Certain Aircraft Holding Special Airworthiness Certificates, and Flight Instructor Privileges
As directed by the FAA Reauthorization Act of 2018, the FAA will allow pilots conducting public aircraft operations to credit their flight time towards FAA civil regulatory requirements. Additionally, consistent with the James M. Inhofe National Defense Authorization Act for Fiscal Year 2023, this final rule will amend the operating rules for experimental aircraft to permit certain flight training, testing, and checking in these aircraft without a letter of deviation authority. As directed in the FAA Reauthorization Act of 2024, the same relief will be extended to certain flight training, testing, and checking in limited category, primary category, and experimental light sport aircraft. This final rule also revises miscellaneous amendments related to recent flight experience, flight instructor privileges, flight training in certain aircraft holding special airworthiness certificates, and the related prohibitions on conducting these activities for compensation or hire. These changes will clarify existing regulatory requirements, align the regulations with current industry practice, and ensure compliance with the FAA Reauthorization Acts of 2018 and 2024 and the James M. Inhofe National Defense Authorization Act for Fiscal Year 2023.
Federal Railroad Administration Accident/Incident Investigation Policy for Gathering Information and Consulting With Stakeholders
FRA is taking direct final action to amend its Accident/ Incident Regulations governing reporting, classification, and investigations by codifying FRA's policy for gathering information from, and consulting with, stakeholders during an accident/incident investigation.
Amendment of Alaskan Very High Frequency Omnidirectional Range Federal Airway V-510 in Alaska
This action proposes to amend Alaskan Very High Frequency Omnidirectional Range (VOR) Federal Airway V-510 in Alaska. This proposed action is due to the decommissioning of the Anvik Nondirectional Radio Beacon (NDB) in Alaska.
Removal of Expiration Date on a Flight Instructor Certificate; Additional Qualification Requirements To Train Initial Flight Instructor Applicants; and Other Provisions
This action removes the expiration date on flight instructor certificates to align with other airman certificates. Additional amendments include updating renewal requirements to recent experience requirements, introducing a new method for establishing recent flight instructor experience, and allowing instructors with a lapse of no more than three months to reinstate privileges via an approved flight instructor refresher course instead of a practical test. This final rule also adds two new methods for flight instructors to qualify to train initial applicants. Finally, this final rule relocates and codifies the requirements for relief for U.S. military and civilian personnel who seek to renew their expired flight instructor certificate.
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.
Entry-Level Driver Training: State of Alaska Application for Renewal of Exemption
FMCSA announces its final decision to renew the exemption granted to the State of Alaska from the limitations imposed by the commercial driver's license (CDL) regulations on the State's ability to issue restricted CDLs. The exemption renewal allows the State to waive specified portions of the CDL skills test for drivers who reside and operate in 14 defined geographic areas that lack the infrastructure to allow completion of the full skills test. Drivers who receive a restricted CDL under the provisions of the renewed exemption are also exempt from the Entry-Level Driver Training (ELDT) regulations. FMCSA concludes that renewing the exemption, subject to the terms and conditions set forth below, is likely to achieve a level of safety equivalent to or greater than the level of safety that would be achieved absent the exemption.
Petition for Exemption; Summary of Petition Received; Global Aviation Technologies
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 or omission of information in the summary is intended to affect the legal status of the petition or its final disposition.
Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 2022-22-10, which applies to certain Airbus SAS Model A318, A319, A320, and A321 series airplanes. AD 2022-22-10 requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2022-22-10, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This proposed AD would continue to require certain actions in AD 2022-22-10 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.
Schedule of Charges Outside the United States
The Federal Aviation Administration (FAA) is announcing the availability of Advisory Circular (AC) 187-1T which transmits an updated schedule of charges for services of FAA Flight Standards Aviation Safety Inspectors outside the United States.
Request for Comments on the Renewal of a Previously Approved Collection: Centers of Excellence (CoE) for Domestic Maritime Workforce Training and Education Annual Application for Designation
The Maritime Administration (MARAD) invites public comments on our intention to request the Office of Management and Budget (OMB) approval to renew an information collection in accordance with the Paperwork Reduction Act of 1995. The proposed collection OMB 2133-0549 (Centers of Excellence (CoE) for Domestic Maritime Workforce Training and Education Annual Application for Designation) is used to determine the eligibility of certain qualified training entities to apply for CoE designation. Due to a change in the CoE program designation duration, the total responses, respondents, and burden hours for this collection have reduced since the last renewal. We are required to publish this notice in the Federal Register to obtain comments from the public and affected agencies.
Request for Comments on the Renewal of a Previously Approved Collection: Application for Construction Reserve Fund and Annual Statements (CRF)
The Maritime Administration (MARAD) invites public comments on our intention to request the Office of Management and Budget (OMB) approval to renew an information collection in accordance with the Paperwork Reduction Act of 1995. The proposed collection OMB 2133-0032 (Application for Construction Reserve Fund (CRF) and Annual Statements) is used to evaluate an applicant's eligibility for CRF program benefits. There was a reduction in the public burden since the last renewal. We are required to publish this notice in the Federal Register to obtain comments from the public and affected agencies.
Coastwise Endorsement Eligibility Determination for a Foreign-Built Vessel: KAINANI (SAIL); Invitation for Public Comments
The Secretary of Transportation, as represented by the Maritime Administration (MARAD), is authorized to issue coastwise endorsement eligibility determinations for foreign-built vessels which will carry no more than twelve passengers for hire. A request for such a determination has been received by MARAD. By this notice, MARAD seeks comments from interested parties as to any effect this action may have on U.S. vessel builders or businesses in the U.S. that use U.S.-flag vessels. Information about the requestor's vessel, including a brief description of the proposed service, is listed below.
Coastwise Endorsement Eligibility Determination for a Foreign-Built Vessel: GOOD VIBES (MOTOR); Invitation for Public Comments
The Secretary of Transportation, as represented by the Maritime Administration (MARAD), is authorized to issue coastwise endorsement eligibility determinations for foreign-built vessels which will carry no more than twelve passengers for hire. A request for such a determination has been received by MARAD. By this notice, MARAD seeks comments from interested parties as to any effect this action may have on U.S. vessel builders or businesses in the U.S. that use U.S.-flag vessels. Information about the requestor's vessel, including a brief description of the proposed service, is listed below.
Coastwise Endorsement Eligibility Determination for a Foreign-Built Vessel: KORU (SAIL); Invitation for Public Comments
The Secretary of Transportation, as represented by the Maritime Administration (MARAD), is authorized to issue coastwise endorsement eligibility determinations for foreign-built vessels which will carry no more than twelve passengers for hire. A request for such a determination has been received by MARAD. By this notice, MARAD seeks comments from interested parties as to any effect this action may have on U.S. vessel builders or businesses in the U.S. that use U.S.-flag vessels. Information about the requestor's vessel, including a brief description of the proposed service, is listed below.
Coastwise Endorsement Eligibility Determination for a Foreign-Built Vessel: SHADOW LINE (SAIL); Invitation for Public Comments
The Secretary of Transportation, as represented by the Maritime Administration (MARAD), is authorized to issue coastwise endorsement eligibility determinations for foreign-built vessels which will carry no more than twelve passengers for hire. A request for such a determination has been received by MARAD. By this notice, MARAD seeks comments from interested parties as to any effect this action may have on U.S. vessel builders or businesses in the U.S. that use U.S.-flag vessels. Information about the requestor's vessel, including a brief description of the proposed service, is listed below.
Airworthiness Directives; DG Aviation GmbH (Type Certificate Previously Held by DG Flugzeugbau GmbH) Gliders
The FAA is adopting a new airworthiness directive (AD) for certain DG Aviation GmbH (type certificate previously held by DG Flugzeugbau GmbH) Model DG-400 gliders and all Model DG-500 Elan Orion, DG-500 Elan Trainer, DG-500/20 Elan, DG-500/22 Elan, DG-500M, DG-500MB, DG-800A, DG-800B, DG-808C, DG-1000M, DG-1000S, and DG-1000T gliders. This AD was prompted by a report of a broken rod end at the upper end of the elevator pushrod in the fin (vertical tail) of a DG Aviation GmbH Model DG-300 glider. Depending on the glider model, this AD requires revising your existing glider maintenance manual to incorporate new procedures for elevator control circuit free play adjustment, performing an operational check of the free play adjustment of the automatic elevator hook-up, accomplishing corrective actions as required, and replacing the elevator pushrod end with a new part. The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
The FAA is adopting a new airworthiness directive (AD) for all BAE Systems (Operations) Limited Model BAe 146 and Avro 146-RJ series airplanes. This AD was prompted by a report of cracking on the radius of the rib 0 forward longeron at a certain frame. This AD requires a one-time inspection for defects of the radius, and repair if necessary. 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) 2019-24- 16, which applied to certain Embraer S.A. Model ERJ 190-100 STD, -100 LR, -100 IGW, and -100 ECJ airplanes; and Model ERJ 190-200 STD, -200 LR, and -200 IGW airplanes. AD 2019-24-16 required revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. Since the FAA issued AD 2019-24-16, the FAA has determined that new or more restrictive airworthiness limitations are necessary. This AD requires revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations, as specified in an Ag[ecirc]ncia Nacional de Avia[ccedil][atilde]o Civil (ANAC) AD, which is incorporated by reference (IBR). The FAA is issuing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Airbus SAS Model A330-243, -302, -343, and -941 airplanes. This AD was prompted by a determination that a certain aft bulkhead cover panel may have been made with a non-conforming material. This AD requires replacing the aft bulkhead cover panel and prohibits the installation 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.
Airspace Designations; Incorporation by Reference Amendments
This action incorporates certain airspace designation amendments into FAA Order JO 7400.11J, dated July 31, 2024, and effective September 15, 2024, for incorporation by reference.
Airworthiness Directives; THOMMEN AIRCRAFT EQUIPMENT AG Digital Air Data Computers
The FAA proposes to adopt a new airworthiness directive (AD) for certain THOMMEN AIRCRAFT EQUIPMENT AG (THOMMEN) AC32 Digital Air Data Computers. This proposed AD results from occurrences of AC32 Digital Air Data Computers (ADCs) that stop functioning below certain temperatures. This proposed AD would require replacing an affected AC32 Digital ADC with a serviceable part. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters
The FAA is superseding Airworthiness Directive (AD) 2021-11-17 and AD 2021-11-22, which applied to all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3 and EC635T2 helicopters. AD 2021-11-17 required a one-time visual inspection of certain part-numbered main rotor actuators (MRAs). AD 2021-11-22 required revising the life limits of certain parts and removing each part that had reached its life limit. Since the FAA issued those ADs, it was determined that repetitive inspections of the MRAs are necessary, new and more restrictive tasks and limitations have been issued, and that it is necessary to expand the applicability. This AD continues to require the actions required by AD 2021-11-17 and AD 2021-11-22, except this AD requires changing the one-time MRA inspection to a repetitive inspection and incorporating other new and more restrictive tasks and limitations by revising the airworthiness limitations section (ALS) of the existing helicopter maintenance manual or instructions for continued airworthiness and the existing approved maintenance or inspection program, as applicable. This AD also expands the applicability by adding Model EC635T2+ helicopters. 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.
Privacy Act of 1974; System of Records
In accordance with the Privacy Act of 1974, the United States Department of Transportation (DOT) intends to rename, update, and reissue an existing system of records notice currently titled "DOT/ALL 24 Departmental Office of Civil Rights (DOCR) System." This Notice is necessary for DOT records that are not covered by the Government-wide System of Records Notices (SORNs) for the Office of Personnel Management (OPM/GOVT-1) and the Equal Employment Opportunity Commission (EEOC/GOVT-1). OPM/GOVT-1 covers general personnel records pertaining to Federal employees. The EEOC/GOVT-1 covers equal employment opportunity records pertaining to claims by Federal employees and applicants for Federal employment who allege they have been discriminated against by a Federal agency under title VII of the Civil Act of 1964, as amended; section 15 of the Age Discrimination in Employment Act, section 501 of the Rehabilitation Act of 1973, as amended; and the Equal Pay Act. The DOT system known as the DOCR General Support System (GSS) covers Disadvantaged Business Enterprise (DBE) appeal records and includes correspondence, inquiries, complaints, and appeals filed by individuals, small businesses, or representatives of individuals or small businesses who believe they have been subjected to prohibited discrimination or retaliation by a DOT federally assisted or federally conducted program or activity. Modification to DOT/ALL 24 is necessary due to updates, consolidation and processes used to manage the records in the system.
Agency Requests for Approval of a New Information Collection: The Department of Transportation Title VI Program
The Department of Transportation (DOT or Department) invites public comments about our intention to request the Office of Management and Budget's (OMB) approval for an information collection for the Department's activities conducted pursuant to Title VI of the Civil Rights Act of 1964. We are required to publish this notice in the Federal Register by the Paperwork Reduction Act of 1995.
Buy America Waiver Notification
This notice provides information regarding FHWA's finding that it is appropriate to grant a Buy America waiver to the Illinois Department of Transportation (IDOT) for the procurement of submersible pumps with non-domestic iron and steel components. Specifically, this waiver covers the procurement by IDOT of 4 main, submersible pumps with discharge capacity of 3,000 gallons per minute (gpm) each and 2 low flow submersible pumps with discharge capacity of 921 gpm each ("waiver items"), for the relocation of existing Pump Station No. 37.
Agency Information Collection Activities: Requests for Comments; Clearance of Renewed Approval of Information Collection: Service Difficulty Report
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 July 2, 2024. The collection involves operators or repair stations report any malfunctions and defects to the Administrator. The information collected allows the FAA to evaluate its certification standards, maintenance programs, and regulatory requirements. It is also the basis for issuance of Airworthiness Directives designed to prevent unsafe conditions and accidents.
Airworthiness Directives; Austro Engine GmbH Engines
The FAA proposes to supersede Airworthiness Directive (AD) 2023-20-03, which applies to certain Austro Engine GmbH Model E4 and E4P engines. AD 2023-20-03 requires repetitive engine oil analysis for aluminum content outside the acceptable limits and, if necessary, replacement of the pistons, piston rings, con-rods assembly, and crankcase or, as an alternative, replacement of the engine core. Since the FAA issued AD 2023-20-03, the manufacturer identified errors in the lists of affected engines and provided updated information, which prompted this proposed AD. This proposed AD would retain the requirements of AD 2023-20-03, add compliance times for additional affected engine serial numbers, and remove certain engine serial numbers from the applicability of the existing AD. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus Helicopters
The FAA proposes to adopt 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 proposed AD was prompted by an engine compartment fire where the upper stiffener of the central firewall in the engine compartment was found damaged. This proposed AD would require replacing the aluminum central firewall stiffener with a titanium central firewall stiffener and prohibit installing an aluminum central firewall stiffener. 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.
Airworthiness Directives; DAHER AEROSPACE (Type Certificate Previously Held by SOCATA) Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain DAHER AEROSPACE (DAHER) (type certificate previously held by SOCATA) Model TBM 700 airplanes. This proposed AD was prompted by reports of wear of the inner flap actuator drive nut. This proposed AD would require cleaning and lubricating the internal actuator rods, measuring the play between the drive nuts and the internal actuator rods, and if any play is found, replacing the drive nuts. This proposed AD would also allow replacing the drive nuts with certain other design drive nut as terminating action for the proposed requirements. The FAA is proposing this AD to address the unsafe condition on these products.
Airworthiness Directives; Airbus SAS Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for certain Airbus SAS Model A350-941 and -1041 airplanes. This proposed AD was prompted by an updated stress analysis on the forward (FWD) cargo door and its attachment piano hinges that revealed a risk of cracking and crack propagation on piano hinges 2 and 3, originating from opening-closing fatigue cycles of the FWD cargo door. This proposed AD would require an inspection of the affected parts, and applicable corrective actions, 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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