AD 2007-17-04 Airworthiness Directives; Aquila Technische Entwicklungen GmbH (AQUILA) Model AT01 Airplanes

Models named: AQUILA AT01. Read the applicability below — it usually turns on serial or part numbers too.

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

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

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

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.