Airworthiness directives: Aquila Technische Entwicklungen GmbH,

[Federal Register: August 21, 2007 (Volume 72, Number 161)]

[Rules and Regulations]

[Page 46539-46540]

From the Federal Register Online via GPO Access [wais.access.gpo.gov]

[DOCID:fr21au07-1]

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[[Page 46539]]

DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2007-28842; Directorate Identifier 2007-CE-064-AD; Amendment 39-15162; AD 2007-17-04]

RIN 2120-AA64

Airworthiness Directives; Aquila Technische Entwicklungen GmbH (AQUILA) Model AT01 Airplanes

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final rule; request for comments.

SUMMARY: We are adopting a new airworthiness directive (AD) for the products listed above. This AD results from mandatory continuing airworthiness information (MCAI) issued by the aviation authority of another country to identify and correct an unsafe condition on an aviation product. The MCAI describes the unsafe condition as:

Deformations of cross sections of the rear exhaust pipes were stated on several serial numbers having logged varying operating hours. One strongly deformed exhaust pipe showed additional cracks near the welding.

This AD requires actions that are intended to address the unsafe condition described in the MCAI.

DATES: This AD becomes effective September 25, 2007.

As of September 25, 2007 the Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD.

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

ADDRESSES: You may send comments by any of the following methods:

DOT Docket Web Site: Go to http://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: U.S. Department of Transportation, Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New Jersey Avenue, SE., Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.

Federal eRulemaking Portal: http://www.regulations.gov.

Follow the instructions for submitting comments.

Examining the AD Docket

You may examine the AD docket on the Internet at http://dms.dot.gov ; or in person at the Docket Management Facility between 9

a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this AD, the regulatory evaluation, any comments received, and other information. The street address for the Docket 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: Karl Schletzbaum, Aerospace Engineer, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329-4146; fax: (816) 329-4090.

SUPPLEMENTARY INFORMATION:

Discussion

The European Aviation Safety Agency (EASA), which is the Technical Agent for the Member States of the European Community, has issued EASA AD No.: 2006-0151, dated May 30, 2006 (referred to after this as ``the MCAI''), to correct an unsafe condition for the specified products. The MCAI states:

Deformations of cross sections of the rear exhaust pipes were stated on several serial numbers having logged varying operating hours. One strongly deformed exhaust pipe showed additional cracks near the welding.

You may obtain further information by examining the MCAI in the AD docket.

Relevant Service Information

Aquila Technische Entwicklungen GmbH has issued Aquila GmbH Service Bulletin SB-AT01-008, Issue 2, dated April 28, 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 the 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 this State of Design Authority, they have notified us of the unsafe condition described in the MCAI and service information referenced above. We are issuing this AD because we evaluated all information provided by the State of Design Authority and determined the unsafe condition exists and is likely to exist or develop on other products of the same type design.

There are no products of this type currently registered in the United States. However, this rule is necessary to ensure that the described unsafe condition is addressed if any of these products are placed on the U.S. Register in the future.

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 required 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 AD.

Comments Invited

Since there are currently no domestic operators of this product, notice and opportunity for public comment before issuing this AD are unnecessary.

This AD is a final rule that involves requirements affecting flight safety, and we did not precede it by notice and opportunity for public comment. We invite you to send any written relevant data, views, or arguments about this AD. Send your comments to an address listed under the ADDRESSES section. Include ``Docket No. FAA-2007-28842;

[[Page 46540]]

Directorate Identifier 2007-CE-064-AD'' at the beginning of your comments. We specifically invite comments on the overall regulatory, economic, environmental, and energy aspects of this AD. We will consider all comments received by the closing date and may amend this AD because of those comments.

We will post all comments we receive, without change, to http://dms.dot.gov , including any personal information you provide. We will

also post a report summarizing each substantive verbal contact we receive about this AD.

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 AD will not have federalism implications under Executive Order 13132. This AD will not have a substantial direct effect on the States, on the relationship between the national government and the States, or on the distribution of power and responsibilities among the various levels of government.

For the reasons discussed above, I certify that this AD:

(1) Is not a ``significant regulatory action'' under Executive Order 12866;

(2) Is not a ``significant rule'' under 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 AD and placed it in the AD docket.

List of Subjects in 14 CFR Part 39

Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

Adoption of the Amendment

0 Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:

PART 39--AIRWORTHINESS DIRECTIVES

0 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]

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

2007-17-04 Aquila Technische Entwicklungen GmbH: Amendment 39-15162; Docket No. FAA-2007-28842; Directorate Identifier 2007-CE-064-AD.

Effective Date

(a) This airworthiness directive (AD) becomes effective September 25, 2007.

Affected ADs

(b) None.

Applicability

(c) This AD applies to Model AQUILA AT01 airplanes, all serial numbers, certificated in any category.

Subject

(d) Air Transport Association of America (ATA) Code 05: Maintenance Checks.

Unsafe Condition

(e) The mandatory continuing airworthiness information (MCAI) states:

Deformations of cross sections of the rear exhaust pipes were stated on several serial numbers having logged varying operating hours. One strongly deformed exhaust pipe showed additional cracks near the welding.

Actions and Compliance

(f) Unless already done, within the next 10 hours time-in- service (TIS) after the effective date of this AD and thereafter at intervals not to exceed 50 hours TIS inspect the exhaust system for cracks and deformations and, if necessary, replace the defective parts following Aquila GmbH Service Bulletin and supplement SB-AT01- 008, Issue 2, dated April 28, 2006.

FAA AD Differences

Note: 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, Standards Staff, 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: Karl Schletzbaum, Aerospace Engineer, 901 Locust, Room 301, Kansas City, Missouri 64106; telephone: (816) 329- 4146; fax: (816) 329-4090. 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 (44 U.S.C. 3501 et seq.), 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) AD No.: 2006-0151, dated May 30, 2006; and Aquila GmbH Service Bulletin and supplement SB-AT01-008, Issue 2, dated April 28, 2006, for related information.

Material Incorporated by Reference

(i) You must use Aquila GmbH Service Bulletin and supplement SB- AT01-008, Issue 2, dated April 28, 2006, to do the actions required by this AD, unless the AD specifies otherwise.

(1) The Director of the Federal Register approved the incorporation by reference of this service information under 5 U.S.C. 552(a) and 1 CFR part 51.

(2) For service information identified in this AD, contact AQUILA GmbH, Flugplatz, D-14959 Schoenhagen, Germany; telephone: ++49 (0) 33731-707-0; fax: ++49 (0) 33731-707-11.

(3) You may review copies at the FAA, Central Region, Office of the Regional Counsel, 901 Locust, Room 506, Kansas City, Missouri 64106; or at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202-741-6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.html .

Issued in Kansas City, Missouri on August 6, 2007. Kim Smith, Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. E7-15913 Filed 8-20-07; 8:45 am]

BILLING CODE 4910-13-P

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