March 4, 2010 – Federal Register Recent Federal Regulation Documents

Fisheries of the Caribbean, Gulf of Mexico and South Atlantic; Comprehensive Ecosystem-Based Amendment 1
Document Number: 2010-4623
Type: Proposed Rule
Date: 2010-03-04
Agency: Department of Commerce, National Oceanic and Atmospheric Administration
The South Atlantic Fishery Management Council (Council) has submitted CE-BA 1 which includes amendments to the following South Atlantic fishery management plans (FMPs): the FMP for Coral, Coral reefs, and Live/Hard Bottom Habitats of the South Atlantic Region (Coral FMP); the FMP for the Dolphin and Wahoo Fishery off the Atlantic States (Dolphin and Wahoo FMP); the FMP for Golden Crab of the South Atlantic Region (Golden Crab FMP); the FMP for the Shrimp Fishery of the South Atlantic Region (Shrimp FMP); and the FMP for the Snapper- Grouper Fishery of the South Atlantic Region (Snapper-Grouper FMP), as prepared and submitted by the South Atlantic Fishery Management Council (Council); as well as the FMP for Coastal Migratory Pelagic (CMP) Resources (CMP FMP); and the FMP for the Spiny Lobster Fishery of the Gulf of Mexico and South Atlantic (Spiny Lobster FMP), as prepared and submitted by the South Atlantic and Gulf of Mexico Fishery Management Councils.
Relief for U.S. Military and Civilian Personnel Who Are Assigned Outside the United States in Support of U.S. Armed Forces Operations
Document Number: 2010-4580
Type: Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
The FAA is replacing Special Federal Aviation Regulation 100-1 (SFAR 100-1), with SFAR 100-2 that continues to allow Flight Standards District Offices (FSDOs) to accept expired flight instructor certificates and inspection authorizations for renewals from U.S. military and civilian personnel (U.S. personnel) who are assigned outside the United States in support of U.S. Armed Forces operations. SFAR 100-2 also continues to allow FSDOs to accept expired airman written test reports for certain practical tests from U.S. personnel who are assigned outside the United States in support of U.S. Armed Forces operations. This action is necessary to avoid penalizing U.S. personnel who are unable to meet the regulatory time limits of their flight instructor certificate, inspection authorization, or airman written test report because they are serving outside the United States in support of U.S. Armed Forces operations. The effect of this action is to give U.S. personnel who are assigned outside the United States in support of U.S. Armed Forces operations extra time to meet certain eligibility requirements in the current rules.
Proposed Renaming of the Yamhill-Carlton District Viticultural Area (2008R-305P)
Document Number: 2010-4570
Type: Proposed Rule
Date: 2010-03-04
Agency: Alcohol and Tobacco Tax and Trade Bureau, Department of Treasury, Department of the Treasury
The Alcohol and Tobacco Tax and Trade Bureau proposes to rename the established Yamhill-Carlton District viticultural area located in Yamhill and Washington Counties, Oregon, as the ``Yamhill- Carlton'' viticultural area. The size and boundary description of the renamed viticultural area would remain the same. We designate viticultural areas to allow vintners to better describe the origin of their wines and to allow consumers to better identify wines they may purchase. We invite comments on this proposed addition to our regulations.
Proposed Expansion of the Santa Maria Valley Viticultural Area (2008R-287P)
Document Number: 2010-4569
Type: Proposed Rule
Date: 2010-03-04
Agency: Alcohol and Tobacco Tax and Trade Bureau, Department of Treasury, Department of the Treasury
The Alcohol and Tobacco Tax and Trade Bureau proposes to expand the Santa Maria Valley viticultural area in Santa Barbara and San Luis Obispo Counties, California, by 18,790 acres. We designate viticultural areas to allow vintners to better describe the origin of their wines and to allow consumers to better identify wines they may purchase. We invite comments on this proposed change to our regulations.
Television Broadcasting Services; Beaumont, TX
Document Number: 2010-4566
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Communications Commission, Agencies and Commissions
The Commission has before it a petition for rulemaking filed by Freedom Broadcasting of Texas (``Freedom Broadcasting''), the licensee of KFDM(TV), channel 21, Beaumont, Texas. Freedom Broadcasting requests the substitution of channel 25 for channel 21 at Beaumont.
Tank Level Probing Radars in the Frequency Band 77-81 GHz
Document Number: 2010-4562
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Communications Commission, Agencies and Commissions
In this document the Commission proposes to modify its rules to allow tank level probing radar (TLPR) devices to operate in the 77- 81 GHz frequency band on an unlicensed basis under the provisions of part 15 of the Commission's rules. Specifically, the Commission proposes to modify Sec. 15.205 of the rules to remove the prohibition on intentional emissions in the 77-81 GHz band for TLPR devices used in closed storage tanks and vessels made of metal, concrete, or material with similar attenuating characteristics, at fixed locations at petroleum and chemical production and storage facilities, and similar commercial and industrial sites. The Commission believes that its proposals will enable the development and deployment of high frequency technology that operates more effectively and reliably than existing tank level measuring radar technology in certain applications where precision measurements are needed, and in certain tanks which cannot now accommodate existing technology. The Commission believes that, with appropriate restrictions, such high frequency TLPR devices can operate on an unlicensed basis without causing harmful interference to authorized services in the 77-81 GHz band.
Approval and Disapproval and Promulgation of Air Quality Implementation Plans; Montana; Revisions to the Administrative Rules of Montana-Air Quality, Subchapter 7 and Other Subchapters
Document Number: 2010-4559
Type: Proposed Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
EPA is proposing to partially approve and partially disapprove State Implementation Plan revisions submitted by the State of Montana on August 26, 1999, May 28, 2003, March 9, 2004, October 25, 2005, and October 16, 2006. The revisions contain new, amended, and repealed rules in Subchapter 7 (Permit, Construction, and Operation of Air Contaminant Sources) that pertain to the issuance of Montana air quality permits, in addition to other minor administrative changes to other subchapters of the Administrative Rules of Montana. The intended effect of this action is to propose to approve those portions of the rules that are approvable and to propose to disapprove those portions of the rules that are inconsistent with the Clean Air Act. This action is being taken under section 110 of the Clean Air Act.
Technical Amendment to the Outer Continental Shelf Air Regulations Consistency Update; Correction
Document Number: 2010-4558
Type: Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
This document contains technical corrections to the final regulations, which were published in the Federal Register of Thursday January 21, 2010. The regulations related to the Consistency Update of the Outer Continental Shelf Air Regulations for Alaska.
Determination of Nonattainment and Reclassification of the Atlanta, Georgia, 8-Hour Ozone Nonattainment Area; Correction
Document Number: 2010-4533
Type: Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
On March 6, 2008, EPA published a document reclassifying the Atlanta, Georgia, area from marginal to moderate for the 1997 8-hour ozone nonattainment area by operation of law. This action clarifies a portion of the preamble language in the aforementioned Federal Register notice.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 190-100 STD,-100 LR,-100 IGW,-200 STD,-200 LR, and-200 IGW Airplanes
Document Number: 2010-4506
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: During ERJ 190 airplane full scale fatigue test, cracks were found in some structural components of the airplane. Analysis of these cracks resulted in modifications on the airplane Airworthiness Limitation Items (ALI), to include new inspections tasks or modification of existing ones and its respective thresholds and intervals. Failure to inspect these components according to the new tasks, thresholds and intervals could prevent a timely detection of fatigue cracks. Undetected fatigue cracks in these areas could adversely affect the structural integrity of these airplanes.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 and ERJ 190 Airplanes
Document Number: 2010-4505
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for the products listed above that would supersede an existing AD. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI for EMBRAER Model ERJ 170 describes the unsafe condition as: It has been found the occurrence of an engine in-flight shutdown caused by the LPCV [low pressure check valves] failing to close due to excessive wear, which leads to the concern that such fault may be present in both engines of a given aircraft. The MCAI for EMBRAER Model ERJ 190 describes the unsafe condition as: An occurrence of an uncommanded engine in-flight shutdown (IFSD) was reported, which was caused by an ERJ 170 defective LPCV. The valve failed to close due to excessive wear. Despite there were no IFSD related to LPCV failure, some ERJ 190 valves were inspected and presented cracks due to low cycle fatigue. Since this failure mode also might lead to an engine in-flight shutdown and since both engines of the airplane have the same valves, there is a possibility of an occurrence of a dual engine IFSD due to LPCV failure.
Airworthiness Directives; Empresa Brasileira de Aeronautica S.A. (EMBRAER) Model ERJ 170 Airplanes
Document Number: 2010-4504
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: During ERJ 170 airplane full scale fatigue test, cracks were found in some structural components of the airplane. Analysis of these cracks resulted in modifications on the airplane Airworthiness Limitation Items (ALI), to include new inspections tasks or modification of existing ones and its respective thresholds and intervals. Failure to inspect these components according to the new tasks, thresholds and intervals could prevent a timely detection of fatigue cracks. Undetected fatigue cracks in these areas could adversely affect the structural integrity of these airplanes.
Airworthiness Directives; Airbus Model A330-243, -341, -342, and -343 Airplanes; and Model A340-541 and -642 Airplanes; Equipped With Rolls-Royce Trent 500 and Trent 700 Series Engines
Document Number: 2010-4503
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD results from mandatory continuing airworthiness information (MCAI) originated by an aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as: It has been evidenced by test that the tightening torque settings on the Rolls Royce Trent 500 and Trent 700 forward (FWD) and aft (AFT) engine mount link pin retention bolts have always been higher than the design value. These bolts retain the washers that maintain the engine mount vertical load pins in position. If bolts, as a consequence of the over-torque, fail and move away, it would lead to loss of the vertical load pins, which could result in loss of the primary and/or secondary load path of the forward and/or aft engine mount which could potentially lead to engine separation.
Airworthiness Directives; Hawker Beechcraft Corporation (Type Certificate Previously Held by Raytheon Aircraft Company) Models B300 and B300C Airplanes
Document Number: 2010-4436
Type: Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for certain Hawker Beechcraft Corporation (type certificate previously held by Raytheon Aircraft Company) Models B300 and B300C airplanes. This AD requires you to inspect the terminal board on the circuit card rack assembly to determine if the correct bus bar is installed and replace if necessary. This AD also requires you to do an operational check of the left and right pitot heat annunciators for proper operation and take corrective action as necessary. This AD results from reports of the left and right pitot heat annunciators not illuminating for an inoperative pitot heat condition. We are issuing this AD to detect and correct installation of an incorrect bus bar, which could result in failure of the pitot heat annunciators to illuminate. This failure could lead to the pilot being unaware that moisture has frozen on the pitot tube(s) and cause erroneous flight instrument indication.
Procedural Amendments to Commission Competitive Bidding Rules
Document Number: 2010-4425
Type: Rule
Date: 2010-03-04
Agency: Federal Communications Commission, Agencies and Commissions
The Federal Communications Commission published a document in the Federal Register at 75 FR 4701, January 29, 2010, revising Commission rules. This summary corrects the final rules by amending the headings of 47 CFR 1.2105 and 1.2105(c) and the statutory authority for part 1. The change and restoration of language conforms the headings to the Commission's intent. These corrections make no change to the substance of the rule, or the Commission's interpretation or application of the rule.
Classification of Benzoyl Peroxide as Safe and Effective and Revision of Labeling to Drug Facts Format; Topical Acne Drug Products for Over-The-Counter Human Use; Final Rule
Document Number: 2010-4424
Type: Rule
Date: 2010-03-04
Agency: Food and Drug Administration, Department of Health and Human Services
We, the Food and Drug Administration (FDA), are issuing this final rule to include benzoyl peroxide as a generally recognized as safe and effective (GRASE) active ingredient in over-the-counter (OTC) topical acne drug products. In addition, this final rule includes new warnings and directions required for OTC acne drug products containing benzoyl peroxide. We are also revising labeling for OTC topical acne drug products containing resorcinol, resorcinol monoacetate, salicylic acid and/or sulfur to meet OTC drug labeling content and format requirements in a certain FDA regulation. This final rule is part of our ongoing review of OTC drug products and represents our conclusions on benzoyl peroxide in OTC acne drug products.
Magnet Schools Assistance Program
Document Number: 2010-4415
Type: Rule
Date: 2010-03-04
Agency: Department of Education
The Secretary amends the regulations governing the Magnet Schools Assistance Program (MSAP) to provide greater flexibility to school districts designing MSAP programs for the Fiscal Year (FY) 2010 grant competition announced in a notice inviting applications for new awards published elsewhere in this issue of the Federal Register. These changes remove provisions in the regulations that require districts to use binary racial classifications and prohibit the creation of magnet schools that result in minority group enrollments in magnet and feeder schools exceeding the district-wide average of minority group students. This new flexibility is necessary to permit school districts interested in receiving funds under this program to determine how best to meet program requirements while also taking into account intervening Supreme Court case law, including the Court's decision in Parents Involved in Community Schools v. Seattle School District No 1 et al., 551 U.S. 701 (2007) (Parents Involved).
Release, Handling, and Protection of Restricted Information
Document Number: 2010-4408
Type: Proposed Rule
Date: 2010-03-04
Agency: National Aeronautics and Space Administration, Agencies and Commissions
This proposed rule amends the NASA Federal Acquisition Regulation (FAR) Supplement (NFS) to clarify the policy and procedures regarding the release of contractors' restricted information and the handling and protection of restricted information by contractors. This document proposes to change the term ``sensitive information'' to ``restricted information;'' clarify what data constitutes restricted information; and revise and move the coverage relative to providing contractors access to restricted information and release of contractors' restricted information to another part. These changes are
National Priorities List, Proposed Rule No. 52
Document Number: 2010-4328
Type: Proposed Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
The Comprehensive Environmental Response, Compensation, and Liability Act (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants, or contaminants throughout the United States. The National Priorities List (``NPL'') constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency (``EPA'' or ``the Agency'') in determining which sites warrant further investigation. These further investigations will allow EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-financed remedial action(s), if any, may be appropriate. This rule proposes to add eight sites to the General Superfund section of the NPL.
National Priorities List, Final Rule-Gowanus Canal
Document Number: 2010-4325
Type: Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants, or contaminants throughout the United States. The National Priorities List (``NPL'') constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency (``EPA'' or ``the Agency'') in determining which sites warrant further investigation. These further investigations will allow EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-financed remedial action(s), if any, may be appropriate. This rule adds the Gowanus Canal, located in Brooklyn, New York, to the General Superfund section of the NPL.
National Priorities List, Final Rule No. 49
Document Number: 2010-4304
Type: Rule
Date: 2010-03-04
Agency: Environmental Protection Agency
The Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (``CERCLA'' or ``the Act''), as amended, requires that the National Oil and Hazardous Substances Pollution Contingency Plan (``NCP'') include a list of national priorities among the known releases or threatened releases of hazardous substances, pollutants, or contaminants throughout the United States. The National Priorities List (``NPL'') constitutes this list. The NPL is intended primarily to guide the Environmental Protection Agency (``EPA'' or ``the Agency'') in determining which sites warrant further investigation. These further investigations will allow EPA to assess the nature and extent of public health and environmental risks associated with the site and to determine what CERCLA-financed remedial action(s), if any, may be appropriate. This rule adds nine sites to the NPL, all to the General Superfund Section.
Disability Determinations by State Agency Disability Examiners
Document Number: 2010-4283
Type: Proposed Rule
Date: 2010-03-04
Agency: Social Security Administration, Agencies and Commissions
We propose to amend our rules to permit disability examiners in the State agencies to make fully favorable determinations in certain claims for disability benefits under titles II and XVI of the Social Security Act (Act) without the approval of a medical or psychological consultant. The proposed changes would apply on a temporary basis only to claims we consider under our rules for Quick Disability Determinations (QDD) or under our compassionate allowance initiative.
Money Market Fund Reform
Document Number: 2010-4059
Type: Rule
Date: 2010-03-04
Agency: Securities and Exchange Commission, Agencies and Commissions
The Securities and Exchange Commission (``Commission'' or ``SEC'') is adopting amendments to certain rules that govern money market funds under the Investment Company Act of 1940. The amendments will tighten the risk-limiting conditions of rule 2a-7 by, among other things, requiring funds to maintain a portion of their portfolios in instruments that can be readily converted to cash, reducing the maximum weighted average maturity of portfolio holdings, and improving the quality of portfolio securities; require money market funds to report their portfolio holdings monthly to the Commission; and permit a money market fund that has ``broken the buck'' (i.e., re-priced its securities below $1.00 per share), or is at imminent risk of breaking the buck, to suspend redemptions to allow for the orderly liquidation of fund assets. The amendments are designed to make money market funds more resilient to certain short-term market risks, and to provide greater protections for investors in a money market fund that is unable to maintain a stable net asset value per share.
Milk in the Northeast and Other Marketing Areas; Final Decision on Proposed Amendments to Tentative Marketing Agreements and Orders
Document Number: 2010-4046
Type: Proposed Rule
Date: 2010-03-04
Agency: Agricultural Marketing Service, Department of Agriculture
This decision proposes that the producer-handler definitions of all Federal milk marketing orders be amended to limit exemption from pooling and pricing provisions to those with total route disposition and sales of packaged fluid milk products to other plants of 3 million pounds or less per month. The exempt plant definition would continue to limit route disposition and sales of packaged fluid milk products to other plants to 150,000 pounds or less per month. This final decision is subject to producer approval by referendum.
Women-Owned Small Business Federal Contract Program
Document Number: 2010-3887
Type: Proposed Rule
Date: 2010-03-04
Agency: Small Business Administration, Agencies and Commissions
The U.S. Small Business Administration (SBA) proposes to amend its regulations governing small business contracting procedures. This Proposed Rule would amend part 127, that was promulgated in a Final Rule on October 1, 2008, and entitled ``The Women-Owned Small Business Federal Contract Assistance Procedures,'' RIN 3245-AF40. This Proposed Rule would implement procedures authorized by the Small Business Act (Act) (Pub. L. 85-536, as amended) to help ensure a level playing field on which Women-Owned Small Businesses (WOSBs) can compete for Federal contracting opportunities. SBA proposes changes to part 127 that include eliminating the requirement for an agency-by-agency determination of discrimination, adopting both ``numbers'' and ``dollars'' measures of underrepresentation, and using the Fiscal Year 2006 Central Contractor Registration (CCR) database as the data source for determining eligible industries under the WOSB Program. This Proposed Rule thus identifies the eligible industries under the Program as those industries in which WOSBs are underrepresented or substantially underrepresented using either the numbers or the dollars approach. This Proposed Rule seeks to retain, for the most part, parts 121 and 134 of the Final Rule published on October 1, 2008, titled ``The Women-Owned Small Business Federal Contract Assistance Procedures,'' RIN 3245-AF40; these portions of the rule govern various implementation procedures of the Program, as more fully discussed below.
Airworthiness Directives; The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP Series Airplanes
Document Number: 2010-3714
Type: Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for all Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-200F, 747-300, 747-400, 747-400D, 747-400F, 747SR, and 747SP series airplanes. This AD requires one-time detailed and high frequency eddy current inspections for cracks in the wing and horizontal stabilizer side-of-body joints and the fuselage skin circumferential splices, and repair if necessary. This AD also requires, for certain airplanes, repetitive detailed inspections for cracks of the fuselage skin circumferential splices, and repair if necessary. This AD results from Boeing analysis indicating that the wing and horizontal stabilizer side-of-body joints, and the fuselage skin circumferential splices, are susceptible to fatigue cracking due to high cyclic loads on the airplane. We are issuing this AD to detect and correct fatigue cracking at multiple adjacent locations in the subject areas, which could connect to form large cracks and result in reduced structural integrity leading to rapid decompression and consequent loss of control of the airplane.
Policies To Promote Rural Radio Service and To Streamline Allotment and Assignment Procedures
Document Number: 2010-3492
Type: Proposed Rule
Date: 2010-03-04
Agency: Federal Communications Commission, Agencies and Commissions
In this document, the Commission adopted a Further Notice of Proposed Rulemaking (FNPRM), in which it announced that it was considering, without proposing specific rules, two issues urged by commenters in this proceeding. First, the Commission is considering whether, how, and under what circumstances federally-recognized Native American Tribes and Alaska Native Villages (Tribes) should receive a bidding credit in auctions for new radio stations. Second, the Commission is considering whether and how the Tribal Priority adopted in the First Report and Order (First R&O) in this proceeding might be claimed by Tribes that do not possess defined tribal lands.
Policies To Promote Rural Radio Service and To Streamline Allotment and Assignment Procedures
Document Number: 2010-3491
Type: Rule
Date: 2010-03-04
Agency: Federal Communications Commission, Agencies and Commissions
In this document, the Commission adopted a number of procedures, procedural changes, and clarifications of existing rules and procedures, designed to promote ownership and programming diversity, especially by Native American tribes, and to streamline processing of AM and FM auction applications.
Airworthiness Directives; Bombardier, Inc. Model DHC-8-100 and DHC-8-200 Series Airplanes, and Model DHC-8-301, -311, and -315 Airplanes
Document Number: 2010-3226
Type: Rule
Date: 2010-03-04
Agency: Federal Aviation Administration, Department of Transportation
We are adopting a new airworthiness directive (AD) for certain Model DHC-8-100 and DHC-8-200 series airplanes, and DHC-8-301, -311, and -315 airplanes. This AD requires implementing a corrosion prevention and control program (CPCP) either by accomplishing specific tasks or by revising the maintenance inspection program to include a CPCP. This AD results from the determination that, as airplanes age, they are more likely to exhibit indications of corrosion. We are issuing this AD to prevent structural failure of the airplane due to corrosion.
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