The identified information in the provided content is a Notice of proposed rulemaking (NPRM) by the Federal Aviation Administration (FAA) for all The Boeing Company Model 767-200, -300, and -300F series airplanes. This proposed AD is in response to a report of a main landing gear (MLG) collapse event following maintenance, where heat damage to the outer cylinder of the MLG was caused by a grinder operating outside of its input parameters. The proposed AD requires replacing any affected outer cylinders to address the unsafe condition on these products. Comments on this proposed AD must be received by August 5, 2024, and can be submitted through various methods including the Federal eRulemaking Portal, fax, mail, or hand delivery. The AD docket can be examined at regulations.gov between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. For further information, you can contact Boeing Commercial Airplanes at the provided address and phone number. You may also view the service information at the FAA in Des Moines, WA, or on regulations.gov by searching for Docket No. FAA-2024-1688. Comments on the proposal are invited and should be sent to the address listed under ADDRESSES, including the docket number and project identifier. The FAA will consider all comments received and may amend the proposal based on that feedback. All comments will be posted on regulations.gov, except for Confidential Business Information. The agency will also post a report summarizing each substantive verbal contact received about this NPRM. Confidential Business Information (CBI) is commercial or financial information that is both customarily and actually treated as private by its owner. Under the Freedom of Information Act (FOIA) (5 U.S.C. 552), CBI is exempt from public disclosure. If your comments responsive to this NPRM contain commercial or financial information that is customarily treated as private, that you actually treat as private, and that is relevant or responsive to this NPRM, it is important that you clearly designate the submitted comments as CBI. Please mark each page of your submission containing CBI as “PROPIN.” The FAA will treat such marked submissions as confidential under the FOIA, and they will not be placed in the public docket of this NPRM. Submissions containing CBI should be sent to Stefanie Roesli, Aviation Safety Engineer, FAA, 2200 South 216th St., Des Moines, WA 98198; phone: 206-231-3964; email: Stefanie.N.Roesli@faa.gov. Any commentary that the FAA receives that is not specifically designated as CBI will be placed in the public docket for this rulemaking.
The FAA has received a report indicating that a Model 767 MLG involved in an MLG collapse event had its previous maintenance overhaul at a certain maintenance, repair and operations (MRO) facility. An investigation by the MRO indicated that a grinder used during maintenance activities was operating outside of its input parameters. The MRO identified 83 Model 767 MLG outer cylinders that had inner diameter grinding performed with the affected grinder, which could cause heat damage. This condition, if not addressed, could result in the inability of a principal structural element to sustain limit load, gear collapse resulting in loss of control and potential for off runway excursion, and deviation from the intended breakaway sequence potentially resulting in the spillage of fuel.
The FAA is issuing this NPRM after determining that the unsafe condition described previously is likely to exist or develop on other products of the same type design. The FAA reviewed Boeing Alert Requirements Bulletin 767-32A0253 RB, dated February 6, 2024. This service information specifies procedures for performing a check of maintenance records or performing an inspection of the left and right MLG outer cylinders for any affected part numbers and serial numbers and replacing affected cylinders. This service information is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in ADDRESSES.
This proposed AD would require accomplishing the actions specified in the service information already described, except for any differences identified as exceptions in the regulatory text of this proposed AD. The FAA estimates that this AD, if adopted as proposed, would affect 574 airplanes of U.S. registry. The estimated costs to comply with this proposed AD are as follows:
Inspection or maintenance records check for affected part numbers:
– Labor cost: Up to 3 work-hours × $85 per hour = $255
– Parts cost: $0
– Cost per product: Up to $255
– Cost on U.S. operators: Up to $146,370
Replacement of MLG outer cylinder (83 affected parts):
– Labor cost: 189 work-hours * × $85 per hour = $16,065
– Parts cost: $500,000
– Cost per product: $516,065
– Cost on U.S. operators: Up to $42,833,395 (83 affected parts)
These costs are based on the results of the proposed inspection or maintenance records check and any necessary replacements that may be required. : “The suspect was identified in the security footage.”
Accident – Death – Obituary News : : 1. Boeing Airworthiness Directives
2. Boeing airplane ADs
The Federal Aviation Administration (FAA) has issued a notice of proposed rulemaking (NPRM) for The Boeing Company Model 767-200, -300, and -300F series airplanes. The proposed airworthiness directive (AD) aims to address a potential safety issue with the main landing gear (MLG) outer cylinders. The FAA is seeking comments on this proposed AD until August 5, 2024. To submit comments, individuals can use the Federal eRulemaking Portal, fax, mail, or hand delivery. This proposed AD is crucial for ensuring the safety of these aircraft models. Stay informed and participate in the comment process to help shape aviation regulations for the future. Examine the AD docket at regulations.gov under Docket No. FAA-2024-1688 or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The docket includes the NPRM, comments, and other information. For service information, contact Boeing Commercial Airplanes at 562-797-1717 or visit their website. You may also view this information at the FAA Airworthiness Products Section in Des Moines, WA. Comments are invited on this proposal, with specific references and supporting data. The FAA will consider all comments received. All non-confidential comments will be posted on regulations.gov. The agency will provide a detailed report summarizing all substantive verbal contacts received regarding this NPRM. Confidential Business Information (CBI) related to commercial or financial data must be clearly marked as such to maintain confidentiality. Failure to designate CBI may result in public disclosure. The FAA has identified a safety issue involving Model 767 MLG outer cylinders and is proposing an AD to address the potential risks. Compliance with the proposed AD is estimated to impact 574 U.S. registered airplanes. Interested parties can access related service information through normal business channels. Contact Stefanie Roesli for submissions containing CBI or for more information. The FAA estimates the costs to comply with the proposed AD, including labor and parts costs for inspection or maintenance records checks and necessary replacements. The inspection or maintenance records check for affected part numbers could cost up to $255 per product, with a total cost of up to $146,370 for U.S. operators. Additionally, on-condition costs for replacing MLG outer cylinders could cost up to $516,065 per product, with a total cost of up to $42,833,395 for 83 affected parts on U.S. operators. This proposed AD falls within the FAA’s authority to promote safe flight and does not have significant regulatory or economic impacts on small entities.
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and 5 p.m., Monday through Friday, except Federal holidays.
The FAA has determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would not have a substantial direct effect on the States, on the relationship between the national Government and the States, or on the distribution of power and responsibilities among the various levels of government.
For the reasons discussed above, I certify that the proposed regulation:
1. Is not a “significant regulatory action” under Executive Order 12866;
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2. Is not a “significant rule” under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979);
3. Will not affect intrastate aviation in Alaska; and
4. Will not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.
We prepared an economic evaluation of the estimated costs to comply with this proposed AD and placed it in the AD docket.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Proposed Amendment
Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows:
PART 39—AIRWORTHINESS DIRECTIVES
1. The authority citation for part 39 continues to read as follows:
Authority:
49 U.S.C. 106(g), 40113, 44701.
2. The FAA amends § 39.13 by adding the following new airworthiness directive:
The Boeing Company: Docket No. FAA-2024-13336; Project Identifier 2019-NM-182-AD.
Comments Due Date
We must receive comments by August 5, 2024.
Background
The FAA received a report of a main landing gear (MLG) collapse event following maintenance on a Model 767-300ER airplane. The investigation revealed that a grinder was operating outside of its input parameters, resulting in possible heat damage to the outer cylinder of the MLG. This condition, if not addressed, could result in collapse of the MLG during landing, causing damage to the airplane and potential injury to passengers and crew.
Required Actions
This proposed AD would require replacing any affected outer cylinders of the MLG on all Model 767-200, -300, and -300F series airplanes. This replacement must be done following a detailed inspection to determine the extent of heat damage.
Costs of Compliance
The FAA estimates that the total cost of compliance with this proposed AD would be $350,000 per airplane.
The FAA is currently seeking public comments on this proposed AD, which must be received by August 5, 2024. Comments can be submitted through the Federal eRulemaking Portal, by fax, by mail, or by hand delivery. The agency has determined that this proposed AD does not have federalism implications and will not have a significant economic impact on a substantial number of small entities.
For more information on this proposed AD and how to submit comments, please refer to the full text of the notice on the Federal Register website.
The Federal Aviation Administration (FAA) has recently issued a notice of proposed rulemaking (NPRM) regarding a new airworthiness directive (AD) for all The Boeing Company Model 767-200, -300, and -300F series airplanes. This proposed AD was prompted by a recent incident where a main landing gear (MLG) collapsed following maintenance, due to heat damage to the outer cylinder of the MLG caused by a grinder operating outside of its input parameters. The FAA is proposing this AD to address the unsafe condition on these aircraft.
According to the NPRM, the proposed AD would require the replacement of any affected outer cylinders on the Model 767-200, -300, and -300F series airplanes. This replacement is crucial to ensure the safety and airworthiness of these aircraft and to prevent any potential incidents during landing that could result in damage to the airplane and harm to passengers and crew.
The FAA has set a deadline of August 5, 2024, for receiving comments on this proposed AD. Comments can be submitted through various methods, including the Federal eRulemaking Portal, fax, mail, or hand delivery. The agency is encouraging stakeholders and the public to provide feedback on the proposed AD to ensure that all perspectives and concerns are considered before finalizing the directive.
In the NPRM, the FAA also outlined the estimated costs of compliance with the proposed AD, estimating a total cost of $350,000 per airplane. This cost includes the replacement of the affected outer cylinders and any associated inspection and maintenance procedures. The agency has prepared an economic evaluation of these costs and has made it available in the AD docket for further review.
The FAA has determined that the proposed AD does not have federalism implications under Executive Order 13132. It is not expected to have a substantial direct effect on the States or the distribution of power and responsibilities among different levels of government. Additionally, the agency has certified that the proposed regulation is not a significant regulatory action under Executive Order 12866 and does not have a significant economic impact on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.
Stakeholders and interested parties are encouraged to review the full text of the NPRM on the Federal Register website for more detailed information on the proposed AD, including the specific actions required, the deadline for comments, and the methods for submitting feedback. The FAA is committed to ensuring the safety and airworthiness of commercial aircraft and relies on the input and collaboration of industry stakeholders and the public to achieve this goal. In a recent announcement, the Federal Aviation Administration (FAA) has made it known that the AD docket, containing important information regarding a Notice of Proposed Rulemaking (NPRM), can be examined at regulations.gov under Docket No. FAA-2024-1688. This is a crucial step for anyone involved in the aviation industry to stay informed about potential regulatory changes that may affect their operations.
The AD docket is available for examination in person at Docket Operations, located at a street address that operates between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. It is essential for stakeholders to take advantage of this opportunity to review the NPRM, any comments received, and other relevant information that may impact their business.
For those seeking additional service information related to the NPRM, they are advised to contact Boeing Commercial Airplanes at their dedicated Attention: Contractual & Data Services (C&DS) department. This can be done by visiting their website at myboeingfleet.com or by calling their telephone number provided.
Furthermore, the service information can also be viewed at the FAA’s Airworthiness Products Section, Operational Safety Branch in Des Moines, WA. For those interested in the availability of this material at the FAA, they can contact the specified phone number or search for Docket No. FAA-2024-1688 on regulations.gov.
In terms of additional contact information, interested parties can reach out to Stefanie Roesli, an Aviation Safety Engineer at the FAA. Stefanie can be contacted at the provided phone number or email address for any further inquiries or clarifications regarding the NPRM and related matters.
The FAA also extends an invitation for comments on the proposed rulemaking. Interested individuals are encouraged to submit any relevant data, views, or arguments about the proposal to the address listed under ADDRESSES. It is important to include the specific Docket No. and Project Identifier in the comments for easy reference.
The FAA will carefully consider all comments received by the closing date and may make amendments to the proposal based on the feedback provided. It is crucial for stakeholders to participate in this process to ensure that their voices are heard and their concerns are addressed.
It is important to note that while the FAA will post all comments received on regulations.gov, certain information such as Confidential Business Information (CBI) and personal data will be handled according to regulations outlined in 14 CFR 11.35.
In conclusion, staying informed and actively participating in the comment process regarding regulatory changes is essential for all stakeholders in the aviation industry. By taking advantage of the opportunities provided by the FAA to examine the AD docket, access service information, and submit comments, individuals and organizations can contribute to shaping the future of aviation regulations. The Federal Aviation Administration (FAA) has recently announced a Notice of Proposed Rulemaking (NPRM) regarding a potential safety issue with Model 767 Main Landing Gear (MLG) outer cylinders. The agency is taking this action in response to a report indicating that maintenance activities on a Model 767 MLG involved a grinder operating outside of its input parameters, potentially causing heat damage to 83 outer cylinders. If left unaddressed, this condition could lead to serious safety risks, including gear collapse, loss of control, off runway excursions, and fuel spillage.
As part of the NPRM process, the FAA will be accepting comments and feedback from stakeholders and interested parties. The agency is committed to transparency and accountability in its rulemaking process, and will be posting a report summarizing each substantive verbal contact received about this NPRM. This information will help the FAA make informed decisions and address any concerns or issues raised by the public.
In addition to seeking feedback on the safety issue at hand, the FAA is also reminding stakeholders about the importance of protecting Confidential Business Information (CBI). CBI is commercial or financial information that is both customarily and actually treated as private by its owner. Under the Freedom of Information Act (FOIA), CBI is exempt from public disclosure. If any comments submitted in response to this NPRM contain CBI, it is important for the submitter to clearly designate the information as such by marking it as “PROPIN.” This will ensure that the information is treated as confidential and will not be placed in the public docket of the NPRM.
The FAA’s determination to issue this NPRM is based on the belief that the unsafe condition identified in the report is likely to exist or develop on other products of the same type design. To address this safety issue, the FAA has reviewed Boeing Alert Requirements Bulletin 767-32A0253 RB, which provides procedures for inspecting and replacing affected MLG outer cylinders. The proposed AD resulting from this NPRM would require operators to comply with the actions specified in the service information, with any exceptions identified in the regulatory text of the proposed AD.
The FAA estimates that this AD, if adopted as proposed, would affect 574 airplanes of U.S. registry. The agency is committed to ensuring the safety and airworthiness of all aircraft operating in the U.S. airspace, and takes proactive measures to address potential safety issues identified through reports and investigations.
Stakeholders and interested parties are encouraged to review the NPRM and provide feedback to the FAA. Comments and submissions containing relevant information or feedback should be sent to Stefanie Roesli, Aviation Safety Engineer at the FAA. The agency values input from the aviation community and considers all feedback in the rulemaking process to ensure the highest standards of safety and compliance in the aviation industry. The Federal Aviation Administration (FAA) has proposed an Airworthiness Directive (AD) that would require certain inspections and potential replacements on aircraft parts to address safety concerns. The FAA estimates the costs associated with complying with this proposed AD, including labor, parts, and overall costs on U.S. operators.
For the inspection or maintenance records check for affected part numbers, the FAA estimates a labor cost of up to 3 work-hours at $85 per hour, totaling up to $255 per product. The parts cost for this action is estimated at $0, resulting in a total cost of up to $255 per product and up to $146,370 for U.S. operators.
In cases where replacements are necessary based on the results of the inspection or maintenance records check, the FAA estimates the following costs for the replacement of MLG outer cylinders, with 83 affected parts. The labor cost for this action is estimated at 189 work-hours at $85 per hour, totaling $16,065. The parts cost for the replacement is estimated at $500,000, resulting in a total cost of $516,065 per product and up to $42,833,395 for U.S. operators.
The authority for this rulemaking comes from Title 49 of the United States Code, which specifies the FAA’s authority to issue rules on aviation safety. The FAA Administrator is empowered under Subtitle I, section 106, and Subtitle VII: Aviation Programs, to issue regulations for the safe flight of civil aircraft in air commerce.
The FAA has determined that this proposed AD would not have federalism implications under Executive Order 13132. It would not have a substantial direct effect on the States or the distribution of power and responsibilities among different levels of government. Additionally, the FAA has certified that this proposed regulation is not a “significant regulatory action” under Executive Order 12866 and would not have a significant economic impact on small entities under the Regulatory Flexibility Act.
In conclusion, the FAA’s proposed AD aims to address safety concerns on aircraft parts through inspections and potential replacements. The estimated costs for compliance with this proposed AD, including labor, parts, and overall costs on U.S. operators, have been outlined to provide transparency and guidance to the aviation industry.
