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Applicability New Requirements of This AD: Actions Bulletin SBF100–27–092, dated April 27, (c) This AD applies to Fokker Services B.V. (h) Within 30 months after the effective 2009; and Goodrich Service Bulletin 23100– Model F.28 Mark 0100 airplanes, certificated date of this AD, do the actions specified in 27–29, dated November 14, 2008; for related in any category, all serial numbers. paragraphs (h)(1) and (h)(2) of this AD information. concurrently. Accomplishing the actions of Issued in Renton, Washington, on July 21, Subject both paragraphs (h)(1) and (h)(2) of this AD 2010. (d) Air Transport Association (ATA) of terminates the actions required by paragraph Jeffrey E. Duven, America Code 27: Flight Controls. (g) of this AD. (1) Remove the tie-wrap, P/N MS3367–2– Acting Manager, Transport Airplane Reason 9, from the lower bolts of the horizontal Directorate, Aircraft Certification Service. (e) The mandatory continuing stabilizer control unit, in accordance with the [FR Doc. 2010–18399 Filed 7–26–10; 8:45 am] airworthiness information (MCAI) states: Accomplishment Instructions of Fokker BILLING CODE 4910–13–P Two reports have been received where, Service Bulletin SBF100–27–092, dated April during inspection of the vertical stabilizer of 27, 2009. F28 Mark 0100 aeroplanes, one of the bolts (2) Remove the lower bolts, P/N 23233–1, DEPARTMENT OF TRANSPORTATION that connect the horizontal stabilizer control of the horizontal stabilizer control unit and unit actuator with the dog-links was found install bolts, P/N 23233–3, in accordance Federal Aviation Administration broken (one on the nut side & one on the with the Accomplishment Instructions of Goodrich Service Bulletin 23100–27–29, head side). In both occasions, the bolt shaft 14 CFR Part 39 was still present in the connection and dated November 14, 2008. (i) After accomplishing the requirements of therefore the horizontal stabilizer function [Docket No. FAA–2009–0864; Directorate paragraph (h) of this AD, do not install a bolt was not affected. If a single dog-link Identifier 2008–NM–202–AD] having P/N 23233–1 or a tie-wrap having connection fails, the complete stabilizer load P/N MS3367–2–9. is taken up by the remaining dog-link RIN 2120–AA64 connection. * * * FAA AD Differences To address and correct this unsafe Airworthiness Directives; DASSAULT Note 1: This AD differs from the MCAI condition EASA [European Aviation Safety AVIATION Model Falcon 10 Airplanes; and/or service information as follows: No Agency] issued AD 2007–0287 Model FAN JET FALCON, FAN JET difference. [corresponding FAA AD 2008–22–14] that FALCON SERIES C, D, E, F, and G required a one-time inspection of the affected Other FAA AD Provisions Airplanes; Model MYSTERE–FALCON bolts, * * * and replacement of failed bolts (j) The following provisions also apply to 200 Airplanes; Model MYSTERE– with serviceable parts. EASA AD 2007–0287 this AD: FALCON 20–C5, 20–D5, 20–E5, and also required the installation of a tie wrap (1) Alternative Methods of Compliance 20–F5 Airplanes; Model FALCON 2000 through the lower bolts of the horizontal (AMOCs): The Manager, International stabilizer control unit, to keep the bolt in and FALCON 2000EX Airplanes; and Branch, ANM–116, Transport Airplane Model MYSTERE–FALCON 50 and place in the event of a bolt head failure. Directorate, FAA, has the authority to Recent examination revealed that the bolts MYSTERE–FALCON 900 Airplanes, and approve AMOCs for this AD, if requested FALCON 900EX Airplanes failed due to stress corrosion, attributed to using the procedures found in 14 CFR 39.19. excessive bolt torque. Investigation of the Send information to Attn: Tom Rodriguez, recently failed bolts showed that the AGENCY: Federal Aviation Aerospace Engineer, International Branch, Administration (FAA), DOT. modification as required by AD 2007–0287 is ANM–116, Transport Airplane Directorate, not adequate. FAA, 1601 Lind Avenue, SW., Renton, ACTION: Supplemental notice of * * * * * Washington 98057–3356; telephone (425) proposed rulemaking (NPRM); Loss of horizontal stabilizer function could 227–1137; fax (425) 227–1149. Before using reopening of comment period. result in partial loss of control of the any approved AMOC on any airplane to airplane. which the AMOC applies, notify your SUMMARY: We are revising an earlier principal maintenance inspector (PMI) or NPRM for the products listed above. Compliance principal avionics inspector (PAI), as This action revises the earlier NPRM by (f) You are responsible for having the appropriate, or lacking a principal inspector, expanding the scope. This proposed AD actions required by this AD performed within your local Flight Standards District Office. results from mandatory continuing The AMOC approval letter must specifically the compliance times specified, unless the airworthiness information (MCAI) actions have already been done. reference this AD. (2) Airworthy Product: For any requirement originated by an aviation authority of Restatement of Requirements of AD 2008– in this AD to obtain corrective actions from another country to identify and correct 22–14 a manufacturer or other source, use these an unsafe condition on an aviation Actions and Compliance actions if they are FAA-approved. Corrective product. The MCAI describes the unsafe actions are considered FAA-approved if they condition as: (g) Unless already done, within 6 months are approved by the State of Design Authority after December 26, 2008 (the effective date of (or their delegated agent). You are required During maintenance on one aircraft, it was AD 2008–22–14), do the following actions. to assure the product is airworthy before it discovered that the overpressure capsules (1) Perform a one-time inspection (integrity is returned to service. were broken on both pressurization valves. check) for failure of the lower bolts of the (3) Reporting Requirements: For any Failure of the pressurization control stabilizer control unit dog-links, in reporting requirement in this AD, under the regulating valve (overpressure capsule) will accordance with the Accomplishment provisions of the Paperwork Reduction Act affect the aircraft’s overpressure protection Instructions of Fokker Service Bulletin (44 U.S.C. 3501 et seq.), the Office of * * *. SBF100–27–091, dated August 31, 2007. If a Management and Budget (OMB) has * * * * * failed bolt is found, before further flight, approved the information collection The unsafe condition is replace the bolt with a serviceable bolt in requirements and has assigned OMB Control overpressurization, which can result in accordance with the Accomplishment Number 2120–0056. injury to the occupants and possible Instructions of the service bulletin. (2) Install a tie-wrap through the lower Related Information structural failure leading to loss of bolts of the stabilizer control unit, in (k) Refer to MCAI EASA Airworthiness control of the airplane. The proposed accordance with the Accomplishment Directive 2009–0216, dated October 7, 2009; AD would require actions that are Instructions of Fokker Service Bulletin Fokker Service Bulletin SBF100–27–091, intended to address the unsafe SBF100–27–091, dated August 31, 2007. dated August 31, 2007; Fokker Service condition described in the MCAI.

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DATES: We must receive comments on economic, environmental, and energy AD, ‘‘as may be amended from time to this proposed AD by August 23, 2010. aspects of this proposed AD. We will time by .’’ ADDRESSES: You may send comments by consider all comments received by the We partially agree. For the reasons any of the following methods: closing date and may amend this provided by the commenter, we agree to • Federal eRulemaking Portal: Go to proposed AD based on those comments. identify the current maintenance http://www.regulations.gov. Follow the We will post all comments we procedures and have revised the instructions for submitting comments. receive, without change, to http:// Maintenance Procedure column of Table • Fax: (202) 493–2251. www.regulations.gov, including any 2 of this supplemental NPRM • Mail: U.S. Department of personal information you provide. We accordingly. We do not agree to add the Transportation, Docket Operations, will also post a report summarizing each phrase, ‘‘as may be amended from time M–30, West Building Ground Floor, substantive verbal contact we receive to time by Dassault Aviation,’’ as it Room W12–140, 1200 New Jersey about this proposed AD. contradicts FAA policy. We cannot refer Avenue, SE., Washington, DC 20590. to procedures or documents in our AD Discussion • Hand Delivery: U.S. Department of that do not yet exist. Operators may Transportation, Docket Operations, We proposed to amend 14 CFR part request approval to use a later revision M–30, West Building Ground Floor, 39 with an earlier NPRM for some of the of the specified maintenance procedure Room W12–40, 1200 New Jersey specified products, which was as an alternative method of compliance Avenue, SE., Washington, DC, between published in the Federal Register on with the proposed requirements under 9 a.m. and 5 p.m., Monday through September 21, 2009 (74 FR 48021). That the provisions of paragraph (h)(1) of this Friday, except Federal holidays. earlier NPRM proposed to require supplemental NPRM. For service information identified in actions intended to address the unsafe Explanation of Change Made to This this proposed AD, contact Dassault condition for the products listed above. Supplemental NPRM Falcon Jet, P.O. Box 2000, South Since that NPRM was issued, we have Hackensack, New Jersey 07606; determined that Model FAN JET We have revised this supplemental telephone 201–440–6700; Internet FALCON SERIES C, D, E, F, and G NPRM to identify the legal name of the http://www.dassaultfalcon.com. You airplanes are also subject to the manufacturer as published in the most may review copies of the referenced identified unsafe condition. We have recent type certificate data sheet for the service information at the FAA, revised the applicability in this affected airplane models. Transport Airplane Directorate, 1601 supplemental NPRM to include these FAA’s Determination and Requirements Lind Avenue, SW., Renton, Washington. airplanes. of This Proposed AD For information on the availability of This product has been approved by this material at the FAA, call 425–227– Comments the aviation authority of another 1221. We have considered the following country, and is approved for operation Examining the AD Docket comments received on the earlier in the United States. Pursuant to our NPRM. You may examine the AD docket on bilateral agreement with the State of the Internet at http:// Request To Extend Compliance Time Design Authority, we have been notified www.regulations.gov; or in person at the for Certain Airplanes of the unsafe condition described in the Docket Operations office between 9 a.m. MCAI and service information Dassault Aviation (Dassault) requests referenced above. We are proposing this and 5 p.m., Monday through Friday, that we extend the compliance times in except Federal holidays. The AD docket AD because we evaluated all pertinent Table 1 of the earlier NPRM for Model information and determined an unsafe contains this proposed AD, the MYSTERE-FALCON 900, FALCON regulatory evaluation, any comments condition exists and is likely to exist or 900EX, Model FALCON 2000, and develop on other products of the same received, and other information. The FALCON 2000EX airplanes from 1,630 street address for the Docket Operations type design. flight hours to 1,640 flight hours. Certain changes described above office (telephone (800) 647–5527) is in Dassault explains that 1,640 flight hours expand the scope of the earlier NPRM. the ADDRESSES section. Comments will is the correct amount of time for the As a result, we have determined that it be available in the AD docket shortly 1,600-flight-hour B-check interval and is necessary to reopen the comment after receipt. +40-flight-hour tolerance indicated in period to provide additional FOR FURTHER INFORMATION CONTACT: Tom the ‘‘General’’ section of each airplane’s opportunity for the public to comment Rodriguez, Aerospace Engineer, Chapter 5 Maintenance Schedule. on this proposed AD. International Branch, ANM–116, Dassault notes that this extended Transport Airplane Directorate, FAA, compliance time has been approved by Differences Between This AD and the 1601 Lind Avenue, SW., Renton, the European Aviation Safety Agency. MCAI or Service Information Washington 98057–3356; telephone We agree, for the reasons provided by We have reviewed the MCAI and (425) 227–1137; fax (425) 227–1149. the commenter. We have revised Table related service information and, in SUPPLEMENTARY INFORMATION: 1 of this supplemental NPRM general, agree with their substance. But accordingly. we might have found it necessary to use Comments Invited Request To Include Current different words from those in the MCAI We invite you to send any written Maintenance Procedure to ensure the AD is clear for U.S. relevant data, views, or arguments about operators and is enforceable. In making this proposed AD. Send your comments Dassault requests that we identify the these changes, we do not intend to differ to an address listed under the current maintenance procedures in the substantively from the information ADDRESSES section. Include ‘‘Docket No. AD. Dassault explains that later versions provided in the MCAI and related FAA–2009–0864; Directorate Identifier of the maintenance procedures have service information. 2008–NM–202–AD’’ at the beginning of been created since the earlier NPRM We might also have proposed your comments. We specifically invite was issued. Dassault also suggests that different actions in this AD from those comments on the overall regulatory, we add the phrase for Table 2 of this in the MCAI in order to follow FAA

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policies. Any such differences are proposed AD would not have a Applicability highlighted in a Note within the substantial direct effect on the States, on (c) This AD applies to the airplanes proposed AD. the relationship between the national identified in paragraphs (c)(1) and (c)(2) of Government and the States, or on the this AD, certificated in any category. Explanation of Change to Costs of distribution of power and (1) DASSAULT AVIATION Model Falcon Compliance responsibilities among the various 10 airplanes, Model FAN JET FALCON, FAN Since issuance of the earlier NPRM, levels of government. JET FALCON SERIES C, D, E, F, and G we have increased the labor rate used in airplanes, and Model MYSTERE-FALCON For the reasons discussed above, I the Costs of Compliance from $80 per 20–C5, 20–D5, 20–E5, and 20–F5 airplanes; certify this proposed regulation: all serial numbers, equipped with Liebherr or work-hour to $85 per work-hour. The ABG–Semca pressurization outflow valves. Costs of Compliance information, 1. Is not a ‘‘significant regulatory ’’ (2) DASSAULT AVIATION Model below, reflects this increase in the action under Executive Order 12866; MYSTERE-FALCON 200 airplanes, Model specified hourly labor rate. 2. Is not a ‘‘significant rule’’ under the MYSTERE-FALCON 50 and MYSTERE- FALCON 900, and FALCON 900EX airplanes, Costs of Compliance DOT Regulatory Policies and Procedures (44 FR 11034, February 26, 1979); and and Model FALCON 2000 and FALCON Based on the service information, we 2000EX airplanes; all serial numbers. 3. Will not have a significant estimate that this proposed AD would Subject affect about 1,082 products of U.S. economic impact, positive or negative, registry. We also estimate that it would on a substantial number of small entities (d) Air Transport Association (ATA) of America Code 21: Air Conditioning. take about 1 work-hour per product to under the criteria of the Regulatory comply with the basic requirements of Flexibility Act. Reason this proposed AD. The average labor We prepared a regulatory evaluation (e) The mandatory continuing rate is $85 per work-hour. Based on of the estimated costs to comply with airworthiness information (MCAI) states: these figures, we estimate the cost of the this proposed AD and placed it in the ‘‘During maintenance on one aircraft, it was proposed AD on U.S. operators to be AD docket. discovered that the overpressure capsules $91,970, or $85 per product. were broken on both pressurization valves. List of Subjects in 14 CFR Part 39 Failure of the pressurization control Authority for This Rulemaking Air transportation, Aircraft, Aviation regulating valve (overpressure capsule) will affect the aircraft’s overpressure protection Title 49 of the United States Code safety, Safety. specifies the FAA’s authority to issue ***’’. rules on aviation safety. Subtitle I, The Proposed Amendment * * * * * section 106, describes the authority of The unsafe condition is overpressurization, Accordingly, under the authority the FAA Administrator. ‘‘Subtitle VII: which can result in injury to the occupants delegated to me by the Administrator, and possible structural failure leading to loss Aviation Programs,’’ describes in more the FAA proposes to amend 14 CFR part of control of the airplane. detail the scope of the Agency’s 39 as follows: authority. Compliance We are issuing this rulemaking under PART 39—AIRWORTHINESS (f) You are responsible for having the the authority described in ‘‘Subtitle VII, DIRECTIVES actions required by this AD performed within Part A, Subpart III, Section 44701: the compliance times specified, unless the actions have already been done. General requirements.’’ Under that 1. The authority citation for part 39 section, Congress charges the FAA with continues to read as follows: Inspection and Replacement promoting safe flight of civil aircraft in Authority: 49 U.S.C. 106(g), 40113, 44701. (g) Unless already done, do the following air commerce by prescribing regulations actions for practices, methods, and procedures § 39.13 [Amended] (1) Within 6 months after the effective date the Administrator finds necessary for of this AD, or before reaching the applicable safety in air commerce. This regulation 2. The FAA amends § 39.13 by adding time in the ‘‘Inspection Threshold’’ column is within the scope of that authority the following new AD: specified in Table 1 of this AD, whichever because it addresses an unsafe condition Dassault Aviation: Docket No. FAA–2009– occurs later, and thereafter at intervals not to that is likely to exist or develop on 0864; Directorate Identifier 2008–NM– exceed the applicable time in the ‘‘Inspection ’’ products identified in this rulemaking 202–AD. Interval column specified in Table 1 of this AD: Inspect for overpressure tightness on action. Comments Due Date both regulating valves using a method Regulatory Findings (a) We must receive comments by August approved by either the Manager, 23, 2010. International Branch, ANM–116, Transport We determined that this proposed AD Airplane Directorate, FAA; or the European would not have federalism implications Affected ADs Aviation Safety Agency (EASA) (or its under Executive Order 13132. This (b) None. delegated agent).

TABLE 1—COMPLIANCE TIMES

Affected airplanes Inspection threshold (whichever occurs later) Inspection interval

Model FAN JET FALCON, FAN JET FALCON Prior to the accumulation of Within 1,250 flight hours after 1,250 flight hours. SERIES C, D, E, F, and G airplanes, and 1,250 total flight hours on the the valve was cleaned in ac- Model MYSTERE-FALCON 20–C5, 20–D5, regulating valve since new. cordance with this AD. 20–E5, and 20–F5 airplanes equipped with Liebherr or ABG–Semca valves part number (P/N) 209xx0xxx0x; Model MYSTERE-FALCON 200 airplanes;

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TABLE 1—COMPLIANCE TIMES—Continued Model Falcon 10 airplanes, equipped with Liebherr or ABG–Semca valves P/N 209xx0xxx0x. Model MYSTERE-FALCON 50 airplanes...... Prior to the accumulation of Within 1,630 flight hours after 1,630 flight hours. 1,630 total flight hours on the the valve was cleaned in ac- regulating valve since new. cordance with this AD. Model MYSTERE-FALCON 900, FALCON Prior to the accumulation of Within 1,640 flight hours after 1,640 flight hours. 900EX (including ‘‘F900EX–EASy’’ and 1,640 total flight hours on the the valve was cleaned in ac- ‘‘F900DX’’), Model FALCON 2000, and FAL- regulating valve since new. cordance with this AD. CON 2000EX (including ‘‘F2000EX–EASy’’ and ‘‘F2000DX’’) airplanes.

Note 1: Guidance on inspecting for airplane maintenance manual identified in overpressure tightness on both regulating Table 2 of this AD. valves can be found in the applicable

TABLE 2—MAINTENANCE MANUAL GUIDANCE

See Dassault maintenance For affected airplanes— procedure— In maintenance manual—

Model Falcon 10 airplanes, equipped with Liebherr or 21–32–01, dated July 2009 ...... 10 Maintenance Manual. ABG–Semca valves P/N 209xx0xxx0x. Model FALCON 900EX (including ‘‘F900EX–EASy’’ and 21–314, dated September 2008 ...... Dassault Falcon 900EX EASy Mainte- ‘‘F900DX’’) airplanes. nance Manual. Model FALCON 2000 and FALCON 2000EX (including 21–314, dated November 2008 ...... Maintenance Man- ‘‘F2000EX–EASy’’) airplanes. ual. Model FALCON F2000DX airplanes ...... 21–314, dated November 2008 ...... Dassault Falcon 2000DX Maintenance Manual. Model FAN JET FALCON, FAN JET FALCON SERIES C, D, E, F, and G airplanes,. MYSTERE-FALCON 20–C5, 20–D5, ...... 21–31–10, dated October 2008...... Dassault Fan Jet Falcon Maintenance 20–E5, and 20–F5 airplanes; equipped with Liebherr or Manual. ABG–Semca valves part number (P/N) 209xx0xxx0x. Model MYSTERE-FALCON 50 airplanes ...... 21–160, dated January 2009 ...... /50EX Maintenance Manual. Model MYSTERE-FALCON 200 airplanes ...... 051.0, dated December 2008 ...... Dassault Falcon 200 Maintenance Man- ual. Model MYSTERE-FALCON 900 airplanes ...... 21–308, dated October 2008 ...... Maintenance Man- ual.

(2) If any leak is found during any Directorate, FAA, has the authority to Management and Budget (OMB) has inspection required by paragraph (g)(1) of approve AMOCs for this AD, if requested approved the information collection this AD, before further flight, replace the using the procedures found in 14 CFR 39.19. requirements and has assigned OMB Control affected valve with a serviceable unit, using Send information to Attn: Tom Rodriguez, Number 2120–0056. a method approved by either the Manager, Aerospace Engineer, International Branch, International Branch, ANM–116, Transport ANM–116, Transport Airplane Directorate, Related Information Airplane Directorate, FAA; or the EASA (or FAA, 1601 Lind Avenue, SW., Renton, (i) Refer to MCAI EASA Airworthiness Washington 98057–3356; telephone (425) its delegated agent). Directive 2008–0072, dated April 18, 2008, 227–1137; fax (425) 227–1149. Before using Note 2: Guidance on replacing regulating for related information. valves can be found in the applicable any approved AMOC on any airplane to airplane maintenance manual identified in which the AMOC applies, notify your Issued in Renton, Washington, on July 16, Table 2 of this AD. principal maintenance inspector (PMI) or 2010. principal avionics inspector (PAI), as Ali Bahrami, FAA AD Differences appropriate, or lacking a principal inspector, your local Flight Standards District Office. Manager, Transport Airplane Directorate, Note 3: This AD differs from the MCAI as The AMOC approval letter must specifically Aircraft Certification Service. follows: Although paragraph (3) of the reference this AD. [FR Doc. 2010–18292 Filed 7–26–10; 8:45 am] compliance section of the MCAI allows flight (2) Airworthy Product: For any requirement in accordance with the master minimum in this AD to obtain corrective actions from BILLING CODE 4910–13–P equipment list (MMEL) provisions after leaks a manufacturer or other source, use these are found, paragraph (g)(2) of this AD actions if they are FAA-approved. Corrective requires replacing affected valves before actions are considered FAA-approved if they further flight. are approved by the State of Design Authority (or their delegated agent). You are required Other FAA AD Provisions to assure the product is airworthy before it (h) The following provisions also apply to is returned to service. this AD: (3) Reporting Requirements: For any (1) Alternative Methods of Compliance reporting requirement in this AD, under the (AMOCs): The Manager, International provisions of the Paperwork Reduction Act Branch, ANM–116, Transport Airplane (44 U.S.C. 3501 et seq.), the Office of

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