Airworthiness Directives; Fokker Model F.28 Mark 0070, 0100, 1000, 2000, 3000, and 4000 Airplanes, 46572-46576 [E7-16426]

Download as PDF 46572 Federal Register / Vol. 72, No. 161 / Tuesday, August 21, 2007 / Proposed Rules that it is not necessary to prepare a Family Policymaking Assessment. I. Review Under the Treasury and General Government Appropriations Act, 2001 The Treasury and General Government Appropriations Act, 2001 (44 U.S.C. 3516 note) provides for agencies to review most disseminations of information to the public under guidelines established by each agency pursuant to general guidelines issued by the Office of Management and Budget (OMB). OMB’s guidelines were published at 67 FR 8452 (February 22, 2002), and DOE’s guidelines were published at 67 FR 62446 (October 7, 2002). Western has reviewed today’s notice under the OMB and DOE guidelines and has concluded that it is consistent with applicable policies in those guidelines. rmajette on PROD1PC64 with PROPOSALS J. Review Under Executive Order 13211 Executive Order 13211, ‘‘Actions Concerning Regulations That Significantly Affect Energy Supply, Distribution, or Use’’ (66 FR 28355, May 22, 2001), requires Federal agencies to prepare and submit to the Office of Information and Regulatory Affairs (OIRA), Office of Management and Budget, a Statement of Energy Effects for any proposed significant energy action. A ‘‘significant energy action’’ is defined as: (1) Any action by an agency that promulgated or is expected to lead to promulgation of a final rule; (2) is a significant regulatory action under Executive Order 12866, or any successor order; and (3) is likely to have a significant adverse effect on the supply, distribution, or use of energy, or is designated by the Administrator of OIRA as a significant energy action. For any proposed significant energy action, the agency must give a detailed statement of any adverse effects on energy supply, distribution, or use should the proposal be implemented, and of reasonable alternatives to the action and their expected benefits on energy supply, distribution, and use. Today’s regulatory action is not a significant energy action. Accordingly, Western has not prepared a Statement of Energy Effects. III. Public Comment Procedures Interested persons are invited to participate by submitting data, views, or arguments with respect to the proposed amendments to part 905 set forth in this notice. Written comments should be submitted to the address indicated in the ADDRESSES section of this notice. All brochures, studies, comments, letters, memorandums, or other documents that VerDate Aug<31>2005 15:07 Aug 20, 2007 Jkt 211001 Western initiates or uses to develop the proposed regulation revisions are available for inspection and copying at Western’s Corporate Services Office in Lakewood, Colorado. Many of these documents and supporting information are also available on Western’s Web site located at https://www.wapa.gov. Any information that a commenter considers to be confidential must be so identified and submitted in writing, one copy only. Western reserves the right to determine the appropriateness of confidential status for the information and to treat it in accordance with its determination. IV. Approval of the Office of the Secretary The Secretary of Energy has approved the publication of today’s proposed rule. List of Subjects in 10 CFR Part 905 Electric power, Electric utilities, Energy, Energy conservation, Hydroelectric power and utilities, Reporting and recordkeeping requirements. Dated: August 6, 2007. Timothy J. Meeks, Administrator. PART 905—ENERGY PLANNING AND MANAGEMENT PROGRAM 1. The authority citation is revised to read as follows: Authority: 42 U.S.C. 7152, 7191; 42 U.S.C. 7275–7276c. [Amended] 2. Section 905.11(b)(4)(i) is amended by removing ‘‘and each MBA member (such as a board of directors or city council)’’; and by removing ‘‘included or referred to in the IRP’’. 3. Section 905.12 is amended by adding paragraph (b)(4) to read as follows: § 905.12 How must IRPs be submitted? (b) * * * (4) Customers may work together to develop and submit regional IRPs. Customers who wish to submit regional IRPs must first obtain approval by Western to do so. Regional IRPs must be approved individually by each participating customer prior to submittal of the IRP to Western. * * * * * 4. Section 905.23 is revised to read as follows: PO 00000 Frm 00004 Fmt 4702 Sfmt 4702 IRPs, small customer plans, minimum investment reports, public benefits reports, and EE/RE reports and associated data submitted to Western are subject to the Freedom of Information Act (FOIA) and may be made available to the public upon request. Customers may request confidential treatment of all or part of a submitted document under applicable FOIA exemptions. Western’s FOIA Officer will make his/her own determination whether particular information is exempt from public access. Western will not disclose to the public information it has determined to be exempt from disclosure under FOIA. Western will make customer IRPs available to the public, such as through posting them on Western’s external Web site, subject to the same confidentiality determinations made in response to FOIA requests. [FR Doc. E7–16477 Filed 8–20–07; 8:45 am] BILLING CODE 6450–01–P DEPARTMENT OF TRANSPORTATION For the reasons set forth in the supplementary information section, 10 CFR part 905 is proposed to be amended as set forth below. § 905.11 § 905.23 What are the opportunities for using the Freedom of Information Act to request data? Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2007–29030; Directorate Identifier 2006–NM–284–AD] RIN 2120–AA64 Airworthiness Directives; Fokker Model F.28 Mark 0070, 0100, 1000, 2000, 3000, and 4000 Airplanes Federal Aviation Administration (FAA), DOT. ACTION: Notice of proposed rulemaking (NPRM). AGENCY: SUMMARY: 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: Subsequent to accidents involving Fuel Tank System explosions in flight * * * and on ground, * * * Special Federal Aviation Regulation 88 (SFAR88) * * * required a safety review of the aircraft Fuel Tank System * * *. * * * * * Fuel Airworthiness Limitations are items arising from a systems safety analysis that have been shown to have failure mode(s) E:\FR\FM\21AUP1.SGM 21AUP1 Federal Register / Vol. 72, No. 161 / Tuesday, August 21, 2007 / Proposed Rules associated with an ‘‘unsafe condition’’ * * *. These are identified in Failure Conditions for which an unacceptable probability of ignition risk could exist if specific tasks and/or practices are not performed in accordance with the manufacturers’ requirements. The proposed AD would require actions that are intended to address the unsafe condition described in the MCAI. DATES: We must receive comments on this proposed AD by September 20, 2007. You may send comments by any of the following methods: • DOT Docket Web Site: Go to https://dms.dot.gov and follow the instructions for sending your comments electronically. • Fax: (202) 493–2251. • Mail: U.S. Department of Transportation, Docket Operations, M– 30, West Building Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., Washington, DC 20590. • Hand Delivery: Room W12–140 on the ground floor of the West Building, 1200 New Jersey Avenue, SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. • Federal eRulemaking Portal: https:// www.regulations.gov. Follow the instructions for submitting comments. ADDRESSES: Examining the AD Docket You may examine the AD docket on the Internet at https://dms.dot.gov; or in person at the Docket Operations office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this proposed AD, the regulatory evaluation, any comments received, and other information. The street address for the Docket Operations office (telephone (800) 647–5527) is in the ADDRESSES section. Comments will be available in the AD docket shortly after receipt. FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer, International Branch, ANM–116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98057–3356; telephone (425) 227–1137; fax (425) 227–1149. SUPPLEMENTARY INFORMATION: rmajette on PROD1PC64 with PROPOSALS Streamlined Issuance of AD The FAA is implementing a new process for streamlining the issuance of ADs related to MCAI. This streamlined process will allow us to adopt MCAI safety requirements in a more efficient manner and will reduce safety risks to the public. This process continues to follow all FAA AD issuance processes to meet legal, economic, Administrative Procedure Act, and Federal Register VerDate Aug<31>2005 16:13 Aug 20, 2007 Jkt 211001 requirements. We also continue to meet our technical decision-making responsibilities to identify and correct unsafe conditions on U.S.-certificated products. This proposed AD references the MCAI and related service information that we considered in forming the engineering basis to correct the unsafe condition. The proposed AD contains text copied from the MCAI and for this reason might not follow our plain language principles. Comments Invited We invite you to send any written relevant data, views, or arguments about this proposed AD. Send your comments to an address listed under the ADDRESSES section. Include ‘‘Docket No. FAA–2007–29030; Directorate Identifier 2006–NM–284–AD’’ at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this proposed AD. We will consider all comments received by the closing date and may amend this proposed AD based on those comments. We will post all comments we receive, without change, to https:// dms.dot.gov, including any personal information you provide. We will also post a report summarizing each substantive verbal contact we receive about this proposed AD. Discussion The European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community, has issued EASA Airworthiness Directive 2006–0206, dated June 11, 2006, and EASA Airworthiness Directive 2006–0208, dated July 12, 2006 (referred to after this as ‘‘the MCAI’’), to correct an unsafe condition for the specified products. The MCAI states: Subsequent to accidents involving Fuel Tank System explosions in flight * * * and on ground, the FAA published Special Federal Aviation Regulation 88 (SFAR 88) in June 2001. SFAR 88 required a safety review of the aircraft Fuel Tank System to determine that the design meets the requirements of FAR (Federal Aviation Regulation) § 25.901 and § 25.981(a) and (b). A similar regulation has been recommended by the JAA (Joint Aviation Authorities) to the European National Aviation Authorities in JAA letter 04/00/02/ 07/03–L024 of 3 February 2003. The review was requested to be mandated by NAA’s (National Aviation Authorities) using JAR (Joint Aviation Regulation) § 25.901(c), § 25.1309. In August 2005 EASA published a policy statement on the process for developing instructions for maintenance and inspection of Fuel Tank System ignition source PO 00000 Frm 00005 Fmt 4702 Sfmt 4702 46573 prevention (EASA D 2005/CPRO, https:// www.easa.eu.int/home/ cert_policy_statements_en.html) that also included the EASA expectations with regard to compliance times of the corrective actions on the unsafe and the not unsafe part of the harmonised design review results. On a global scale the TC (type certificate) holders committed themselves to the EASA published compliance dates (see EASA policy statement). The EASA policy statement has been revised in March 2006: The date of 31–12–2005 for the unsafe related actions has now been set at 01–07–2006. Fuel Airworthiness Limitations are items arising from a systems safety analysis that have been shown to have failure mode(s) associated with an ‘‘unsafe condition’’ as defined in FAA’s memo 2003–112–15 ‘‘SFAR 88—Mandatory Action Decision Criteria’’. These are identified in Failure Conditions for which an unacceptable probability of ignition risk could exist if specific tasks and/or practices are not performed in accordance with the manufacturers’ requirements. This EASA Airworthiness Directive mandates the Fuel System Airworthiness Limitations, comprising maintenance/ inspection tasks and Critical Design Configuration Control Limitations (CDCCL) for the type of aircraft, that resulted from the design reviews and the JAA recommendation and EASA policy statement mentioned above. The corrective action includes revising the Airworthiness Limitations Section of the Instructions for Continued Airworthiness for certain airplanes, and the FAA-approved maintenance program for certain other airplanes, to incorporate new limitations for fuel tank systems. You may obtain further information by examining the MCAI in the AD docket. The FAA has examined the underlying safety issues involved in fuel tank explosions on several large transport airplanes, including the adequacy of existing regulations, the service history of airplanes subject to those regulations, and existing maintenance practices for fuel tank systems. As a result of those findings, we issued a regulation titled ‘‘Transport Airplane Fuel Tank System Design Review, Flammability Reduction and Maintenance and Inspection Requirements’’ (66 FR 23086, May 7, 2001). In addition to new airworthiness standards for transport airplanes and new maintenance requirements, this rule included Special Federal Aviation Regulation No. 88 (‘‘SFAR 88,’’ Amendment 21–78, and subsequent Amendments 21–82 and 21–83). Among other actions, SFAR 88 requires certain type design (i.e., type certificate (TC) and supplemental type certificate (STC)) holders to substantiate that their fuel tank systems can prevent ignition sources in the fuel tanks. This requirement applies to type design E:\FR\FM\21AUP1.SGM 21AUP1 46574 Federal Register / Vol. 72, No. 161 / Tuesday, August 21, 2007 / Proposed Rules holders for large turbine-powered transport airplanes and for subsequent modifications to those airplanes. It requires them to perform design reviews and to develop design changes and maintenance procedures if their designs do not meet the new fuel tank safety standards. As explained in the preamble to the rule, we intended to adopt airworthiness directives to mandate any changes found necessary to address unsafe conditions identified as a result of these reviews. In evaluating these design reviews, we have established four criteria intended to define the unsafe conditions associated with fuel tank systems that require corrective actions. The percentage of operating time during which fuel tanks are exposed to flammable conditions is one of these criteria. The other three criteria address the failure types under evaluation: single failures, single failures in combination with a latent condition(s), and in-service failure experience. For all four criteria, the evaluations included consideration of previous actions taken that may mitigate the need for further action. The Joint Aviation Authorities (JAA) has issued a regulation that is similar to SFAR 88. (The JAA is an associated body of the European Civil Aviation Conference (ECAC) representing the civil aviation regulatory authorities of a number of European States who have agreed to co-operate in developing and implementing common safety regulatory standards and procedures.) Under this regulation, the JAA stated that all members of the ECAC that hold type certificates for transport category airplanes are required to conduct a design review against explosion risks. We have determined that the actions identified in this AD are necessary to reduce the potential of ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane. rmajette on PROD1PC64 with PROPOSALS Relevant Service Information Fokker Services B.V. has issued Fokker Service Bulletin F28/28–050, dated June 30, 2006; and Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCL) Report SE– 672, Issue 1, dated January 31, 2006. The actions described in this service information are intended to correct the unsafe condition identified in the MCAI. VerDate Aug<31>2005 15:07 Aug 20, 2007 Jkt 211001 FAA’s Determination and Requirements of This Proposed AD This product has been approved by the aviation authority of another country, and is approved for operation in the United States. Pursuant to our bilateral agreement with the State of Design Authority, we have been notified of the unsafe condition described in the MCAI and service information referenced above. We are proposing this AD because we evaluated all pertinent information and determined an unsafe condition exists and is likely to exist or develop on other products of the same type design. Differences Between This AD and the MCAI or Service Information We have reviewed the MCAI and related service information and, in general, agree with their substance. But we might have found it necessary to use different words from those in the MCAI to ensure the AD is clear for U.S. operators and is enforceable. In making these changes, we do not intend to differ substantively from the information provided in the MCAI and related service information. We might also have proposed different actions in this AD from those in the MCAI in order to follow FAA policies. Any such differences are highlighted in a Note within the proposed AD. Costs of Compliance Based on the service information, we estimate that this proposed AD would affect about 18 products of U.S. registry. We also estimate that it would take about 1 work-hour per product to comply with the basic requirements of this proposed AD. The average labor rate is $80 per work-hour. Based on these figures, we estimate the cost of the proposed AD on U.S. operators to be $1,440, or $80 per product. Authority for This Rulemaking Title 49 of the United States Code specifies the FAA’s authority to issue rules on aviation safety. Subtitle I, section 106, describes the authority of the FAA Administrator. ‘‘Subtitle VII: Aviation Programs,’’ describes in more detail the scope of the Agency’s authority. We are issuing this rulemaking under the authority described in ‘‘Subtitle VII, Part A, Subpart III, Section 44701: General requirements.’’ Under that section, Congress charges the FAA with promoting safe flight of civil aircraft in air commerce by prescribing regulations for practices, methods, and procedures the Administrator finds necessary for safety in air commerce. This regulation PO 00000 Frm 00006 Fmt 4702 Sfmt 4702 is within the scope of that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action. Regulatory Findings We 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 this proposed regulation: 1. Is not a ‘‘significant regulatory action’’ under Executive Order 12866; 2. Is not a ‘‘significant rule’’ under the DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); and 3. 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 a regulatory 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, 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. § 39.13 [Amended] 2. The FAA amends § 39.13 by adding the following new AD: Fokker Services B.V.: Docket No. FAA– 2007–29030; Directorate Identifier 2006– NM–284–AD. Comments Due Date (a) We must receive comments by September 20, 2007. Affected ADs (b) None. Applicability (c) This AD applies to Fokker Model F.28 Mark 0070 and 0100 airplanes, all serial numbers, certificated in any category; and Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, serial numbers 11003 through E:\FR\FM\21AUP1.SGM 21AUP1 Federal Register / Vol. 72, No. 161 / Tuesday, August 21, 2007 / Proposed Rules 11241, 11991 and 11992, certificated in any category. Note 1: This AD requires revisions to certain operator maintenance documents to include new inspections. Compliance with these inspections is required by 14 CFR 91.403(c). For airplanes that have been previously modified, altered, or repaired in the areas addressed by these inspections, the operator may not be able to accomplish the inspections described in the revisions. In this situation, to comply with 14 CFR 91.403(c), the operator must request approval for an alternative method of compliance according to paragraph (g) of this AD. The request should include a description of changes to the required inspections that will ensure the continued damage tolerance of the affected structure. The FAA has provided guidance for this determination in Advisory Circular (AC) 25.1529–1. rmajette on PROD1PC64 with PROPOSALS Subject (d) Transport Association (ATA) of America Code 28: Fuel. Reason (e) The mandatory continuing airworthiness information (MCAI) states: Subsequent to accidents involving Fuel Tank System explosions in flight * * * and on ground, the FAA published Special Federal Aviation Regulation 88 (SFAR 88) in June 2001. SFAR 88 required a safety review of the aircraft Fuel Tank System to determine that the design meets the requirements of FAR (Federal Aviation Regulation) § 25.901 and § 25.981(a) and (b). A similar regulation has been recommended by the JAA (Joint Aviation Authorities) to the European National Aviation Authorities in JAA letter 04/00/02/ 07/03–L024 of 3 February 2003. The review was requested to be mandated by NAA’s (National Aviation Authorities) using JAR (Joint Aviation Regulation) § 25.901(c), § 25.1309. In August 2005 EASA published a policy statement on the process for developing instructions for maintenance and inspection of Fuel Tank System ignition source prevention (EASA D 2005/CPRO, https:// www.easa.eu.int/home/ cert_policy_statements_en.html) that also included the EASA expectations with regard to compliance times of the corrective actions on the unsafe and the not unsafe part of the harmonised design review results. On a global scale the TC (type certificate) holders committed themselves to the EASA published compliance dates (see EASA policy statement). The EASA policy statement has been revised in March 2006: the date of 31–12–2005 for the unsafe related actions has now been set at 01–07–2006. Fuel Airworthiness Limitations are items arising from a systems safety analysis that have been shown to have failure mode(s) associated with an ‘unsafe condition’ as defined in FAA’s memo 2003–112–15 ‘SFAR 88—Mandatory Action Decision Criteria’. These are identified in Failure Conditions for which an unacceptable probability of ignition risk could exist if specific tasks and/or practices are not performed in accordance with the manufacturers’ requirements. VerDate Aug<31>2005 15:07 Aug 20, 2007 Jkt 211001 This EASA Airworthiness Directive mandates the Fuel System Airworthiness Limitations, comprising maintenance/ inspection tasks and Critical Design Configuration Control Limitations (CDCCL) for the type of aircraft, that resulted from the design reviews and the JAA recommendation and EASA policy statement mentioned above. The corrective action includes revising the Airworthiness Limitations Section of the Instructions for Continued Airworthiness for certain airplanes, and the FAA-approved maintenance program for certain other airplanes, to incorporate new limitations for fuel tank systems. Actions and Compliance (f) Unless already done, do the following actions. (1) Within 3 months after the effective date of this AD, do the action in paragraph (f)(1)(i) or (f)(1)(ii) of this AD, as applicable. For all identified tasks, the initial compliance time starts from the effective date of this AD. The repetitive inspections must be accomplished thereafter at the intervals not to exceed those specified in Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCL) Report SE–672, Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28–050, dated June 30, 2006; as applicable; except as provided by paragraph (f)(3) of this AD. (i) For Model F.28 Mark 0070 and 0100 airplanes, revise the Airworthiness Limitations Section (ALS) of the Instructions for Continued Airworthiness to incorporate the limits specified in Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCL) Report SE–672, Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28–050, dated June 30, 2006; as applicable. (ii) For Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, incorporate into the FAA-approved maintenance inspection program the limits specified in Fokker 70/ 100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCL) Report SE–672, Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28–050, dated June 30, 2006. (2) Within 3 months after the effective date of this AD, do the action in paragraph (f)(2)(i) or (f)(2)(ii) of this AD, as applicable. (i) For Model F.28 Mark 0070 and 0100 airplanes, revise the Airworthiness Limitations Section (ALS) of the Instructions for Continued Airworthiness to incorporate the CDCCLs as defined in Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCLs) Report SE–672, Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28–050, dated June 30, 2006. (ii) For Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, incorporate into the FAA-approved maintenance inspection program the CDCCLs as defined in Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCLs) Report SE– PO 00000 Frm 00007 Fmt 4702 Sfmt 4702 46575 672, Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28–050, dated June 30, 2006. (3) Where Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCLs) Report SE–672, Issue 1, dated January 31, 2006; and Fokker Service Bulletin F28/28–050, dated June 30, 2006; allow for exceptional short-term extensions, an exception is acceptable to the FAA if it is approved by the appropriate principal inspector in the FAA Flight Standards Certificate Holding District Office. (4) Except as provided by paragraph (g)(1) of this AD: After accomplishing the actions specified in paragraphs (f)(1) and (f)(2) of this AD, no alternative inspection, inspection intervals, or CDCCLs may be used. Note 2: For Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, after an operator complies with the requirements of paragraphs (f)(1)(ii) and (f)(2)(ii) of this AD, those paragraphs do not require that operators subsequently record accomplishment of those requirements each time an applicable action is accomplished according to that operator’s FAA-approved maintenance inspection program. FAA AD Differences Note 3: This AD differs from the MCAI and/or service information as follows: No differences. Other FAA AD Provisions (g) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, International Branch, ANM–116, FAA, has the authority to approve AMOCs for this AD, if requested using the procedures found in 14 CFR 39.19. Send information to ATTN: Tom Rodriguez, Aerospace Engineer, International Branch, ANM–116, FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington 98057–3356; telephone (425) 227–1137; fax (425) 227–1149. Before using any approved AMOC on any airplane to which the AMOC applies, notify your appropriate principal inspector (PI) in the FAA Flight Standards District Office (FSDO), or lacking a PI, your local FSDO. (2) Airworthy Product: For any requirement in this AD to obtain corrective actions from a manufacturer or other source, use these actions if they are FAA-approved. Corrective actions are considered FAA-approved if they are approved by the State of Design Authority (or their delegated agent). You are required to assure the product is airworthy before it is returned to service. (3) Reporting Requirements: For any reporting requirement in this AD, under the provisions of the Paperwork Reduction Act, the Office of Management and Budget (OMB) has approved the information collection requirements and has assigned OMB Control Number 2120–0056. Related Information (h) Refer to MCAI European Aviation Safety Agency (EASA) Airworthiness Directive 2006–0206, dated June 11, 2006; EASA Airworthiness Directive 2006–0208, E:\FR\FM\21AUP1.SGM 21AUP1 46576 Federal Register / Vol. 72, No. 161 / Tuesday, August 21, 2007 / Proposed Rules dated July 12, 2006; Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical Design Configuration Control Limitations (CDCCL) Report SE–672, Issue 1, dated January 31, 2006; and Fokker Service Bulletin F28/28–050, dated June 30, 2006; for related information. Issued in Renton, Washington, on August 14, 2007. Stephen P. Boyd, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E7–16426 Filed 8–20–07; 8:45 am] BILLING CODE 4910–13–P DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA–2005–22623; Directorate Identifier 2004–NM–80–AD] RIN 2120–AA64 Airworthiness Directives; Boeing Model 767 Airplanes Federal Aviation Administration (FAA), Department of Transportation (DOT). ACTION: Supplemental notice of proposed rulemaking (NPRM); reopening of comment period. rmajette on PROD1PC64 with PROPOSALS AGENCY: SUMMARY: The FAA is revising an earlier proposed airworthiness directive (AD) for all Boeing Model 767 airplanes. The original NPRM would have required the following actions for the drive mechanism of the horizontal stabilizer: Repetitive detailed inspections for discrepancies and loose ball bearings; repetitive lubrication of the ballnut and ballscrew; repetitive measurements of the freeplay between the ballnut and the ballscrew; and corrective action if necessary. The original NPRM resulted from a report of extensive corrosion of a ballscrew in the drive mechanism of the horizontal stabilizer on a similar airplane model. This action revises the original NPRM by including additional initial and repetitive inspections of the ballscrew-to-ballnut freeplay for certain airplanes, and adding a new compliance time for those inspections. We are proposing this supplemental NPRM to prevent an undetected failure of the primary load path for the ballscrew in the drive mechanism of the horizontal stabilizer and subsequent wear and failure of the secondary load path, which could lead to loss of control of the horizontal stabilizer and consequent loss of control of the airplane. DATES: We must receive comments on this supplemental NPRM by September 17, 2007. VerDate Aug<31>2005 15:07 Aug 20, 2007 Jkt 211001 Use one of the following addresses to submit comments on this supplemental NPRM. • DOT Docket Web site: Go to https:// dms.dot.gov and follow the instructions for sending your comments electronically. • Government-wide rulemaking Web site: Go to https://www.regulations.gov and follow the instructions for sending your comments electronically. • Mail: U.S. Department of Transportation, Docket Operations, M– 30, West Building, Ground Floor, Room W12–140, 1200 New Jersey Avenue, SE., Washington, DC 20590. • Fax: (202) 493–2251. • Hand Delivery: Room W12–140 on the ground floor of the West Building, 1200 New Jersey Avenue, SE., Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. Contact Boeing Commercial Airplanes, P.O. Box 3707, Seattle, Washington 98124–2207, for service information identified in this proposed AD. FOR FURTHER INFORMATION CONTACT: Kelly McGuckin, Aerospace Engineer, Systems and Equipment Branch, ANM– 130S, FAA, Seattle Airplane Certification Office, 1601 Lind Avenue, SW., Renton, Washington 98057–3356; telephone (425) 917–6490; fax (425) 917–6590. SUPPLEMENTARY INFORMATION: You may review the DOT’s complete Privacy Act Statement in the Federal Register published on April 11, 2000 (65 FR 19477–78), or you may visit https://dms.dot.gov. Comments Invited Actions Since Original NPRM Was Issued Since we issued the original NPRM, Boeing has revised certain service information to add initial and repetitive inspections of the ballscrew-to-ballnut freeplay for certain airplanes, and to add a new compliance time for those inspections. ADDRESSES: We invite you to submit any relevant written data, views, or arguments regarding this supplemental NPRM. Send your comments to an address listed in the ADDRESSES section. Include the docket number ‘‘Docket No. FAA– 2005–22623; Directorate Identifier 2004–NM–80–AD’’ at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this supplemental NPRM. We will consider all comments received by the closing date and may amend this supplemental NPRM in light of those comments. We will post all comments submitted, without change, to https://dms.dot.gov, including any personal information you provide. We will also post a report summarizing each substantive verbal contact with FAA personnel concerning this supplemental NPRM. Using the search function of that web site, anyone can find and read the comments in any of our dockets, including the name of the individual who sent the comment (or signed the comment on behalf of an association, business, labor union, etc.). PO 00000 Frm 00008 Fmt 4702 Sfmt 4702 Examining the Docket You may examine the AD docket on the Internet at https://dms.dot.gov, or in person at the Docket Operations office between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The Docket Operations office (telephone (800) 647–5527) is located on the ground floor of the West Building at the street address stated in the ADDRESSES section. Comments will be available in the AD docket shortly after the Docket Management System receives them. Discussion We proposed to amend 14 CFR part 39 with a notice of proposed rulemaking (NPRM) for an AD (the ‘‘original NPRM’’) for all Boeing Model 767 airplanes. The original NPRM was published in the Federal Register on October 7, 2005 (70 FR 58620). The original NPRM proposed to require the following actions for the drive mechanism of the horizontal stabilizer: Repetitive detailed inspections for discrepancies and loose ball bearings; repetitive lubrication of the ballnut and ballscrew; repetitive measurements of the freeplay between the ballnut and the ballscrew; and corrective action if necessary. Relevant Service Information We have reviewed the following service bulletins: • Boeing Service Bulletin 767– 27A0194, Revision 2, dated July 13, 2006 (for Model 767–200, –300, and –300F series airplanes); and • Boeing Service Bulletin 767– 27A0195, Revision 2, dated July 13, 2006 (for Model 767–400ER series airplanes). The procedures in Revision 2 of the service bulletins are essentially the same as those in Revision 1 of the service bulletins, both dated July 21, 2005 (which were referenced in the NPRM as the appropriate sources of service information for accomplishing the specified actions); except Revision 2 includes additional requirements for E:\FR\FM\21AUP1.SGM 21AUP1

Agencies

[Federal Register Volume 72, Number 161 (Tuesday, August 21, 2007)]
[Proposed Rules]
[Pages 46572-46576]
From the Federal Register Online via the Government Printing Office [www.gpo.gov]
[FR Doc No: E7-16426]


=======================================================================
-----------------------------------------------------------------------

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2007-29030; Directorate Identifier 2006-NM-284-AD]
RIN 2120-AA64


Airworthiness Directives; Fokker Model F.28 Mark 0070, 0100, 
1000, 2000, 3000, and 4000 Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Notice of proposed rulemaking (NPRM).

-----------------------------------------------------------------------

SUMMARY: 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:

    Subsequent to accidents involving Fuel Tank System explosions in 
flight * * * and on ground, * * * Special Federal Aviation 
Regulation 88 (SFAR88) * * * required a safety review of the 
aircraft Fuel Tank System * * *.
* * * * *
    Fuel Airworthiness Limitations are items arising from a systems 
safety analysis that have been shown to have failure mode(s)

[[Page 46573]]

associated with an ``unsafe condition'' * * *. These are identified 
in Failure Conditions for which an unacceptable probability of 
ignition risk could exist if specific tasks and/or practices are not 
performed in accordance with the manufacturers' requirements.

    The proposed AD would require actions that are intended to address 
the unsafe condition described in the MCAI.

DATES: We must receive comments on this proposed AD by September 20, 
2007.

ADDRESSES: You may send comments by any of the following methods:
     DOT Docket Web Site: Go to https://dms.dot.gov and follow 
the instructions for sending your comments electronically.
     Fax: (202) 493-2251.
     Mail: U.S. Department of Transportation, Docket 
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New 
Jersey Avenue, SE., Washington, DC 20590.
     Hand Delivery: Room W12-140 on the ground floor of the 
West Building, 1200 New Jersey Avenue, SE., Washington, DC, between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays.
     Federal eRulemaking Portal: https://www.regulations.gov. 
Follow the instructions for submitting comments.

Examining the AD Docket

    You may examine the AD docket on the Internet at https://
dms.dot.gov; or in person at the Docket Operations office between 9 
a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD 
docket contains this proposed AD, the regulatory evaluation, any 
comments received, and other information. The street address for the 
Docket Operations office (telephone (800) 647-5527) is in the ADDRESSES 
section. Comments will be available in the AD docket shortly after 
receipt.

FOR FURTHER INFORMATION CONTACT: Tom Rodriguez, Aerospace Engineer, 
International Branch, ANM-116, FAA, Transport Airplane Directorate, 
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone (425) 
227-1137; fax (425) 227-1149.

SUPPLEMENTARY INFORMATION:

Streamlined Issuance of AD

    The FAA is implementing a new process for streamlining the issuance 
of ADs related to MCAI. This streamlined process will allow us to adopt 
MCAI safety requirements in a more efficient manner and will reduce 
safety risks to the public. This process continues to follow all FAA AD 
issuance processes to meet legal, economic, Administrative Procedure 
Act, and Federal Register requirements. We also continue to meet our 
technical decision-making responsibilities to identify and correct 
unsafe conditions on U.S.-certificated products.
    This proposed AD references the MCAI and related service 
information that we considered in forming the engineering basis to 
correct the unsafe condition. The proposed AD contains text copied from 
the MCAI and for this reason might not follow our plain language 
principles.

Comments Invited

    We invite you to send any written relevant data, views, or 
arguments about this proposed AD. Send your comments to an address 
listed under the ADDRESSES section. Include ``Docket No. FAA-2007-
29030; Directorate Identifier 2006-NM-284-AD'' at the beginning of your 
comments. We specifically invite comments on the overall regulatory, 
economic, environmental, and energy aspects of this proposed AD. We 
will consider all comments received by the closing date and may amend 
this proposed AD based on those comments.
    We will post all comments we receive, without change, to https://
dms.dot.gov, including any personal information you provide. We will 
also post a report summarizing each substantive verbal contact we 
receive about this proposed AD.

Discussion

    The European Aviation Safety Agency (EASA), which is the Technical 
Agent for the Member States of the European Community, has issued EASA 
Airworthiness Directive 2006-0206, dated June 11, 2006, and EASA 
Airworthiness Directive 2006-0208, dated July 12, 2006 (referred to 
after this as ``the MCAI''), to correct an unsafe condition for the 
specified products. The MCAI states:

    Subsequent to accidents involving Fuel Tank System explosions in 
flight * * * and on ground, the FAA published Special Federal 
Aviation Regulation 88 (SFAR 88) in June 2001. SFAR 88 required a 
safety review of the aircraft Fuel Tank System to determine that the 
design meets the requirements of FAR (Federal Aviation Regulation) 
Sec.  25.901 and Sec.  25.981(a) and (b).
    A similar regulation has been recommended by the JAA (Joint 
Aviation Authorities) to the European National Aviation Authorities 
in JAA letter 04/00/02/07/03-L024 of 3 February 2003. The review was 
requested to be mandated by NAA's (National Aviation Authorities) 
using JAR (Joint Aviation Regulation) Sec.  25.901(c), Sec.  
25.1309.
    In August 2005 EASA published a policy statement on the process 
for developing instructions for maintenance and inspection of Fuel 
Tank System ignition source prevention (EASA D 2005/CPRO, https://
www.easa.eu.int/home/cert--policy--statements--en.html) that also 
included the EASA expectations with regard to compliance times of 
the corrective actions on the unsafe and the not unsafe part of the 
harmonised design review results. On a global scale the TC (type 
certificate) holders committed themselves to the EASA published 
compliance dates (see EASA policy statement). The EASA policy 
statement has been revised in March 2006: The date of 31-12-2005 for 
the unsafe related actions has now been set at 01-07-2006.
    Fuel Airworthiness Limitations are items arising from a systems 
safety analysis that have been shown to have failure mode(s) 
associated with an ``unsafe condition'' as defined in FAA's memo 
2003-112-15 ``SFAR 88--Mandatory Action Decision Criteria''. These 
are identified in Failure Conditions for which an unacceptable 
probability of ignition risk could exist if specific tasks and/or 
practices are not performed in accordance with the manufacturers' 
requirements.
    This EASA Airworthiness Directive mandates the Fuel System 
Airworthiness Limitations, comprising maintenance/inspection tasks 
and Critical Design Configuration Control Limitations (CDCCL) for 
the type of aircraft, that resulted from the design reviews and the 
JAA recommendation and EASA policy statement mentioned above.

    The corrective action includes revising the Airworthiness 
Limitations Section of the Instructions for Continued Airworthiness for 
certain airplanes, and the FAA-approved maintenance program for certain 
other airplanes, to incorporate new limitations for fuel tank systems. 
You may obtain further information by examining the MCAI in the AD 
docket.
    The FAA has examined the underlying safety issues involved in fuel 
tank explosions on several large transport airplanes, including the 
adequacy of existing regulations, the service history of airplanes 
subject to those regulations, and existing maintenance practices for 
fuel tank systems. As a result of those findings, we issued a 
regulation titled ``Transport Airplane Fuel Tank System Design Review, 
Flammability Reduction and Maintenance and Inspection Requirements'' 
(66 FR 23086, May 7, 2001). In addition to new airworthiness standards 
for transport airplanes and new maintenance requirements, this rule 
included Special Federal Aviation Regulation No. 88 (``SFAR 88,'' 
Amendment 21-78, and subsequent Amendments 21-82 and 21-83).
    Among other actions, SFAR 88 requires certain type design (i.e., 
type certificate (TC) and supplemental type certificate (STC)) holders 
to substantiate that their fuel tank systems can prevent ignition 
sources in the fuel tanks. This requirement applies to type design

[[Page 46574]]

holders for large turbine-powered transport airplanes and for 
subsequent modifications to those airplanes. It requires them to 
perform design reviews and to develop design changes and maintenance 
procedures if their designs do not meet the new fuel tank safety 
standards. As explained in the preamble to the rule, we intended to 
adopt airworthiness directives to mandate any changes found necessary 
to address unsafe conditions identified as a result of these reviews.
    In evaluating these design reviews, we have established four 
criteria intended to define the unsafe conditions associated with fuel 
tank systems that require corrective actions. The percentage of 
operating time during which fuel tanks are exposed to flammable 
conditions is one of these criteria. The other three criteria address 
the failure types under evaluation: single failures, single failures in 
combination with a latent condition(s), and in-service failure 
experience. For all four criteria, the evaluations included 
consideration of previous actions taken that may mitigate the need for 
further action.
    The Joint Aviation Authorities (JAA) has issued a regulation that 
is similar to SFAR 88. (The JAA is an associated body of the European 
Civil Aviation Conference (ECAC) representing the civil aviation 
regulatory authorities of a number of European States who have agreed 
to co-operate in developing and implementing common safety regulatory 
standards and procedures.) Under this regulation, the JAA stated that 
all members of the ECAC that hold type certificates for transport 
category airplanes are required to conduct a design review against 
explosion risks.
    We have determined that the actions identified in this AD are 
necessary to reduce the potential of ignition sources inside fuel 
tanks, which, in combination with flammable fuel vapors, could result 
in fuel tank explosions and consequent loss of the airplane.

Relevant Service Information

    Fokker Services B.V. has issued Fokker Service Bulletin F28/28-050, 
dated June 30, 2006; and Fokker 70/100 Fuel Airworthiness Limitation 
Items (ALI) and Critical Design Configuration Control Limitations 
(CDCCL) Report SE-672, Issue 1, dated January 31, 2006. The actions 
described in this service information are intended to correct the 
unsafe condition identified in the MCAI.

FAA's Determination and Requirements of This Proposed AD

    This product has been approved by the aviation authority of another 
country, and is approved for operation in the United States. Pursuant 
to our bilateral agreement with the State of Design Authority, we have 
been notified of the unsafe condition described in the MCAI and service 
information referenced above. We are proposing this AD because we 
evaluated all pertinent information and determined an unsafe condition 
exists and is likely to exist or develop on other products of the same 
type design.

Differences Between This AD and the MCAI or Service Information

    We have reviewed the MCAI and related service information and, in 
general, agree with their substance. But we might have found it 
necessary to use different words from those in the MCAI to ensure the 
AD is clear for U.S. operators and is enforceable. In making these 
changes, we do not intend to differ substantively from the information 
provided in the MCAI and related service information.
    We might also have proposed different actions in this AD from those 
in the MCAI in order to follow FAA policies. Any such differences are 
highlighted in a Note within the proposed AD.

Costs of Compliance

    Based on the service information, we estimate that this proposed AD 
would affect about 18 products of U.S. registry. We also estimate that 
it would take about 1 work-hour per product to comply with the basic 
requirements of this proposed AD. The average labor rate is $80 per 
work-hour. Based on these figures, we estimate the cost of the proposed 
AD on U.S. operators to be $1,440, or $80 per product.

Authority for This Rulemaking

    Title 49 of the United States Code specifies the FAA's authority to 
issue rules on aviation safety. Subtitle I, section 106, describes the 
authority of the FAA Administrator. ``Subtitle VII: Aviation 
Programs,'' describes in more detail the scope of the Agency's 
authority.
    We are issuing this rulemaking under the authority described in 
``Subtitle VII, Part A, Subpart III, Section 44701: General 
requirements.'' Under that section, Congress charges the FAA with 
promoting safe flight of civil aircraft in air commerce by prescribing 
regulations for practices, methods, and procedures the Administrator 
finds necessary for safety in air commerce. This regulation is within 
the scope of that authority because it addresses an unsafe condition 
that is likely to exist or develop on products identified in this 
rulemaking action.

Regulatory Findings

    We 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 this proposed 
regulation:
    1. Is not a ``significant regulatory action'' under Executive Order 
12866;
    2. Is not a ``significant rule'' under the DOT Regulatory Policies 
and Procedures (44 FR 11034, February 26, 1979); and
    3. 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 a regulatory 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, 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.


Sec.  39.13  [Amended]

    2. The FAA amends Sec.  39.13 by adding the following new AD:

Fokker Services B.V.: Docket No. FAA-2007-29030; Directorate 
Identifier 2006-NM-284-AD.

Comments Due Date

    (a) We must receive comments by September 20, 2007.

Affected ADs

    (b) None.

Applicability

    (c) This AD applies to Fokker Model F.28 Mark 0070 and 0100 
airplanes, all serial numbers, certificated in any category; and 
Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, serial numbers 
11003 through

[[Page 46575]]

11241, 11991 and 11992, certificated in any category.

    Note 1: This AD requires revisions to certain operator 
maintenance documents to include new inspections. Compliance with 
these inspections is required by 14 CFR 91.403(c). For airplanes 
that have been previously modified, altered, or repaired in the 
areas addressed by these inspections, the operator may not be able 
to accomplish the inspections described in the revisions. In this 
situation, to comply with 14 CFR 91.403(c), the operator must 
request approval for an alternative method of compliance according 
to paragraph (g) of this AD. The request should include a 
description of changes to the required inspections that will ensure 
the continued damage tolerance of the affected structure. The FAA 
has provided guidance for this determination in Advisory Circular 
(AC) 25.1529-1.

Subject

    (d) Transport Association (ATA) of America Code 28: Fuel.

Reason

    (e) The mandatory continuing airworthiness information (MCAI) 
states:
    Subsequent to accidents involving Fuel Tank System explosions in 
flight * * * and on ground, the FAA published Special Federal 
Aviation Regulation 88 (SFAR 88) in June 2001. SFAR 88 required a 
safety review of the aircraft Fuel Tank System to determine that the 
design meets the requirements of FAR (Federal Aviation Regulation) 
Sec.  25.901 and Sec.  25.981(a) and (b).
    A similar regulation has been recommended by the JAA (Joint 
Aviation Authorities) to the European National Aviation Authorities 
in JAA letter 04/00/02/07/03-L024 of 3 February 2003. The review was 
requested to be mandated by NAA's (National Aviation Authorities) 
using JAR (Joint Aviation Regulation) Sec.  25.901(c), Sec.  
25.1309.
    In August 2005 EASA published a policy statement on the process 
for developing instructions for maintenance and inspection of Fuel 
Tank System ignition source prevention (EASA D 2005/CPRO, https://
www.easa.eu.int/home/cert--policy--statements--en.html) that also 
included the EASA expectations with regard to compliance times of 
the corrective actions on the unsafe and the not unsafe part of the 
harmonised design review results. On a global scale the TC (type 
certificate) holders committed themselves to the EASA published 
compliance dates (see EASA policy statement). The EASA policy 
statement has been revised in March 2006: the date of 31-12-2005 for 
the unsafe related actions has now been set at 01-07-2006.
    Fuel Airworthiness Limitations are items arising from a systems 
safety analysis that have been shown to have failure mode(s) 
associated with an `unsafe condition' as defined in FAA's memo 2003-
112-15 `SFAR 88--Mandatory Action Decision Criteria'. These are 
identified in Failure Conditions for which an unacceptable 
probability of ignition risk could exist if specific tasks and/or 
practices are not performed in accordance with the manufacturers' 
requirements.
    This EASA Airworthiness Directive mandates the Fuel System 
Airworthiness Limitations, comprising maintenance/inspection tasks 
and Critical Design Configuration Control Limitations (CDCCL) for 
the type of aircraft, that resulted from the design reviews and the 
JAA recommendation and EASA policy statement mentioned above.
    The corrective action includes revising the Airworthiness 
Limitations Section of the Instructions for Continued Airworthiness 
for certain airplanes, and the FAA-approved maintenance program for 
certain other airplanes, to incorporate new limitations for fuel 
tank systems.

Actions and Compliance

    (f) Unless already done, do the following actions.
    (1) Within 3 months after the effective date of this AD, do the 
action in paragraph (f)(1)(i) or (f)(1)(ii) of this AD, as 
applicable. For all identified tasks, the initial compliance time 
starts from the effective date of this AD. The repetitive 
inspections must be accomplished thereafter at the intervals not to 
exceed those specified in Fokker 70/100 Fuel Airworthiness 
Limitation Items (ALI) and Critical Design Configuration Control 
Limitations (CDCCL) Report SE-672, Issue 1, dated January 31, 2006; 
or Fokker Service Bulletin F28/28-050, dated June 30, 2006; as 
applicable; except as provided by paragraph (f)(3) of this AD.
    (i) For Model F.28 Mark 0070 and 0100 airplanes, revise the 
Airworthiness Limitations Section (ALS) of the Instructions for 
Continued Airworthiness to incorporate the limits specified in 
Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical 
Design Configuration Control Limitations (CDCCL) Report SE-672, 
Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28-
050, dated June 30, 2006; as applicable.
    (ii) For Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, 
incorporate into the FAA-approved maintenance inspection program the 
limits specified in Fokker 70/100 Fuel Airworthiness Limitation 
Items (ALI) and Critical Design Configuration Control Limitations 
(CDCCL) Report SE-672, Issue 1, dated January 31, 2006; or Fokker 
Service Bulletin F28/28-050, dated June 30, 2006.
    (2) Within 3 months after the effective date of this AD, do the 
action in paragraph (f)(2)(i) or (f)(2)(ii) of this AD, as 
applicable.
    (i) For Model F.28 Mark 0070 and 0100 airplanes, revise the 
Airworthiness Limitations Section (ALS) of the Instructions for 
Continued Airworthiness to incorporate the CDCCLs as defined in 
Fokker 70/100 Fuel Airworthiness Limitation Items (ALI) and Critical 
Design Configuration Control Limitations (CDCCLs) Report SE-672, 
Issue 1, dated January 31, 2006; or Fokker Service Bulletin F28/28-
050, dated June 30, 2006.
    (ii) For Model F.28 Mark 1000, 2000, 3000, and 4000 airplanes, 
incorporate into the FAA-approved maintenance inspection program the 
CDCCLs as defined in Fokker 70/100 Fuel Airworthiness Limitation 
Items (ALI) and Critical Design Configuration Control Limitations 
(CDCCLs) Report SE-672, Issue 1, dated January 31, 2006; or Fokker 
Service Bulletin F28/28-050, dated June 30, 2006.
    (3) Where Fokker 70/100 Fuel Airworthiness Limitation Items 
(ALI) and Critical Design Configuration Control Limitations (CDCCLs) 
Report SE-672, Issue 1, dated January 31, 2006; and Fokker Service 
Bulletin F28/28-050, dated June 30, 2006; allow for exceptional 
short-term extensions, an exception is acceptable to the FAA if it 
is approved by the appropriate principal inspector in the FAA Flight 
Standards Certificate Holding District Office.
    (4) Except as provided by paragraph (g)(1) of this AD: After 
accomplishing the actions specified in paragraphs (f)(1) and (f)(2) 
of this AD, no alternative inspection, inspection intervals, or 
CDCCLs may be used.

    Note 2: For Model F.28 Mark 1000, 2000, 3000, and 4000 
airplanes, after an operator complies with the requirements of 
paragraphs (f)(1)(ii) and (f)(2)(ii) of this AD, those paragraphs do 
not require that operators subsequently record accomplishment of 
those requirements each time an applicable action is accomplished 
according to that operator's FAA-approved maintenance inspection 
program.

FAA AD Differences

    Note 3: This AD differs from the MCAI and/or service information 
as follows: No differences.

Other FAA AD Provisions

    (g) The following provisions also apply to this AD:
    (1) Alternative Methods of Compliance (AMOCs): The Manager, 
International Branch, ANM-116, FAA, has the authority to approve 
AMOCs for this AD, if requested using the procedures found in 14 CFR 
39.19. Send information to ATTN: Tom Rodriguez, Aerospace Engineer, 
International Branch, ANM-116, FAA, Transport Airplane Directorate, 
1601 Lind Avenue, SW., Renton, Washington 98057-3356; telephone 
(425) 227-1137; fax (425) 227-1149. Before using any approved AMOC 
on any airplane to which the AMOC applies, notify your appropriate 
principal inspector (PI) in the FAA Flight Standards District Office 
(FSDO), or lacking a PI, your local FSDO.
    (2) Airworthy Product: For any requirement in this AD to obtain 
corrective actions from a manufacturer or other source, use these 
actions if they are FAA-approved. Corrective actions are considered 
FAA-approved if they are approved by the State of Design Authority 
(or their delegated agent). You are required to assure the product 
is airworthy before it is returned to service.
    (3) Reporting Requirements: For any reporting requirement in 
this AD, under the provisions of the Paperwork Reduction Act, the 
Office of Management and Budget (OMB) has approved the information 
collection requirements and has assigned OMB Control Number 2120-
0056.

Related Information

    (h) Refer to MCAI European Aviation Safety Agency (EASA) 
Airworthiness Directive 2006-0206, dated June 11, 2006; EASA 
Airworthiness Directive 2006-0208,

[[Page 46576]]

dated July 12, 2006; Fokker 70/100 Fuel Airworthiness Limitation 
Items (ALI) and Critical Design Configuration Control Limitations 
(CDCCL) Report SE-672, Issue 1, dated January 31, 2006; and Fokker 
Service Bulletin F28/28-050, dated June 30, 2006; for related 
information.

    Issued in Renton, Washington, on August 14, 2007.
Stephen P. Boyd,
Acting Manager, Transport Airplane Directorate, Aircraft Certification 
Service.
[FR Doc. E7-16426 Filed 8-20-07; 8:45 am]
BILLING CODE 4910-13-P
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