AD 2009-23-09 Airworthiness Directives; Bombardier Model CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A) Airplanes

This AD applies to the airplanes, certificated in any category, as identified in paragraphs (c)(1), (c)(2), and (c)(3) of this AD. (1) Bombardier Model CL-600-1A11 (CL-600) airplanes, serial numbers 1004 through 1085 inclusive. (2) Bombardier Model CL-600-2A12 (CL-601) airplanes, serial numbers 3001 through 3066 inclusive. (3) Bombardier Model CL-600-2B16 (CL-601-3A) airplanes, serial numbers 5001 through 5131 inclusive.

Unless already done, within 26 months after the effective date of this AD, inspect the ADG power feeder harness to determine the wire type, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 600-0737 or 601-0591, both dated July 23, 2007, as applicable. A review of airplane maintenance records is acceptable in lieu of this inspection if the wire type of the power feeder harness can be conclusively determined from that review. If the wire type is determined to be aromatic polyimide, replace the ADG power feeder harness, before further flight, in accordance with Part B of the Accomplishment Instructions of Bombardier Service Bulletin 600-0737 or 601-0591, both dated July 23, 2007, as applicable. FAA AD Differences Note 1: 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, New York Aircraft Certification Office (ACO), 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: Wing Chan, Aerospace Engineer, Avionics and Flight Test Branch, ANE-172, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone (516) 228-7311; fax (516) 794-5531. Before using any approved AMOC on any airplane to which the AMOC applies, notify your principal maintenance inspector (PMI) or principal avionics inspector (PAI), as appropriate, or lacking a principal inspector, your local Flight Standards District Office. The AMOC approval letter must specifically reference this AD. (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 Canadian Airworthiness Directive CF-2009-18, dated April 27, 2009; and Bombardier Service Bulletins 600-0737 and 601-0591, both dated July 23, 2007; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 600-0737, dated July 23, 2007; or Bombardier Service Bulletin 601-0591, dated July 23, 2007; as applicable; 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 Bombardier, Inc., 400 Côte-Vertu Road West, Dorval, Québec H4S 1Y9, Canada; telephone 514-855-5000; fax 514-855-7401; e-mail thd.crj@aero.bombardier.com ; Internet http://www.bombardier.com . (3) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of this material at the FAA, call 425-227-1221 or 425-227-1152. (4) You may also review copies of the service information that is incorporated by reference 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 Renton, Washington, on Ocotober 26, 2009. Stephen P. Boyd, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E9-26593 Filed 11-6-09; 8:45 am] BILLING CODE 4910-13-P

Unless already done, within 26 months after the effective date of this AD, inspect the ADG power feeder harness to determine the wire type, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 600-0737 or 601-0591, both dated July 23, 2007, as applicable. A review of airplane maintenance records is acceptable in lieu of this inspection if the wire type of the power feeder harness can be conclusively determined from that review. If the wire type is determined to be aromatic polyimide, replace the ADG power feeder harness, before further flight, in accordance with Part B of the Accomplishment Instructions of Bombardier Service Bulletin 600-0737 or 601-0591, both dated July 23, 2007, as applicable. FAA AD Differences Note 1: 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, New York Aircraft Certification Office (ACO), 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: Wing Chan, Aerospace Engineer, Avionics and Flight Test Branch, ANE-172, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone (516) 228-7311; fax (516) 794-5531. Before using any approved AMOC on any airplane to which the AMOC applies, notify your principal maintenance inspector (PMI) or principal avionics inspector (PAI), as appropriate, or lacking a principal inspector, your local Flight Standards District Office. The AMOC approval letter must specifically reference this AD. (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 Canadian Airworthiness Directive CF-2009-18, dated April 27, 2009; and Bombardier Service Bulletins 600-0737 and 601-0591, both dated July 23, 2007; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 600-0737, dated July 23, 2007; or Bombardier Service Bulletin 601-0591, dated July 23, 2007; as applicable; 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 Bombardier, Inc., 400 Côte-Vertu Road West, Dorval, Québec H4S 1Y9, Canada; telephone 514-855-5000; fax 514-855-7401; e-mail thd.crj@aero.bombardier.com ; Internet http://www.bombardier.com . (3) You may review copies of the service information at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington. For information on the availability of this material at the FAA, call 425-227-1221 or 425-227-1152. (4) You may also review copies of the service information that is incorporated by reference 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 Renton, Washington, on Ocotober 26, 2009. Stephen P. Boyd, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. E9-26593 Filed 11-6-09; 8:45 am] BILLING CODE 4910-13-P