AD 2010-09-06 Airworthiness Directives; Bombardier, Inc., Model CL-600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2D15 (Regional Jet Series 705), and CL-600-2D24 (Regional Jet Series 900) Airplanes

This AD applies to the Bombardier, Inc., airplanes identified in paragraphs (c)(1) and (c)(2) of this AD, certificated in any category. (1) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes having serial numbers 10003 through 10259 inclusive. (2) Model CL-600-2D15 (Regional Jet Series 705) and Model CL-600-2D24 (Regional Jet Series 900) airplanes having serial numbers 15001 through 15099 inclusive.

Unless already done, do the following actions. (1) Within 6,000 flight hours after the effective date of this AD, install a new PCU centering mechanism, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009. (2) Incorporation of Bombardier Service Bulletin 670BA-27-042, dated October 14, 2008; or Revision A, dated January 8, 2009; before the effective date of this AD, is considered acceptable for compliance with this AD only if Bombardier Repair Engineering Order (REO) 670-27-31-001, dated January 12, 2009; or Bombardier Service Non-Incorporated Engineering Order (SNIEO) S01 or S02 from Bombardier Kit Drawing KBA670-93702, Revision C, dated January 28, 2009; is incorporated at the same time. Incorporation of Bombardier Service Bulletin 670BA-27-042, Revision B, dated June 2, 2009, before the effective date of this AD, is considered acceptable for compliance with the corresponding actions in this AD. 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, ANE-170, 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: Program Manager, Continuing Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone 516-228-7300; 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. (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 Canadian Airworthiness Directive CF-2009-28, dated June 29, 2009; and Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009, 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. (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 April 15, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-9522 Filed 4-28-10; 8:45 am] BILLING CODE 4910-13-P

Unless already done, do the following actions. (1) Within 6,000 flight hours after the effective date of this AD, install a new PCU centering mechanism, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009. (2) Incorporation of Bombardier Service Bulletin 670BA-27-042, dated October 14, 2008; or Revision A, dated January 8, 2009; before the effective date of this AD, is considered acceptable for compliance with this AD only if Bombardier Repair Engineering Order (REO) 670-27-31-001, dated January 12, 2009; or Bombardier Service Non-Incorporated Engineering Order (SNIEO) S01 or S02 from Bombardier Kit Drawing KBA670-93702, Revision C, dated January 28, 2009; is incorporated at the same time. Incorporation of Bombardier Service Bulletin 670BA-27-042, Revision B, dated June 2, 2009, before the effective date of this AD, is considered acceptable for compliance with the corresponding actions in this AD. 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, ANE-170, 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: Program Manager, Continuing Operational Safety, FAA, New York ACO, 1600 Stewart Avenue, Suite 410, Westbury, New York 11590; telephone 516-228-7300; 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. (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 Canadian Airworthiness Directive CF-2009-28, dated June 29, 2009; and Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 670BA-27-042, Revision C, dated December 10, 2009, 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. (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 April 15, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-9522 Filed 4-28-10; 8:45 am] BILLING CODE 4910-13-P