AD 2010-21-11 Airworthiness Directives; Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) Airplanes

This AD applies to Bombardier, Inc. Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, serial numbers 7003 and subsequent; certificated in any category.

Unless already done, do the following actions. (1) Within 1,600 flight hours or 18 months after the effective date of this AD, whichever occurs first: Do an inspection to determine the serial number and identification markings on the selector valve of the NLG and the door selector valve of the NLG, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-32-104, dated March 3, 2009. A review of airplane maintenance records is acceptable in lieu of this inspection if the serial number and identification markings of the selector valve and the door selector valve can be conclusively determined from that review. (2) For any airplane having either the selector valve of the NLG or the door selector valve of the NLG that have a serial number outside the range 0001 through 2126 inclusive, suffix “T” identification, or “SB750006000-1” marking, no further action is required for that valve. (3) If, during any inspection required by paragraph (f)(1) of this AD, any selector valve of the NLG or any door selector valve of the NLG is found that does not have any serial number or identification marking specified in paragraph (f)(2) of this AD: Before further flight after doing the inspection required by paragraph (f)(1) of this AD, inspect to determine the torque value and correct lockwire installation of the valve, and modify (replace, rework, or re-identify) the valve, as applicable, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-32-104, dated March 3, 2009. (4) For airplanes having part number (P/N) 601R75146-1 (Tactair P/N 750006000), serial number 001 thru 0767: Modification of the valve accomplished before the effective date of this AD in accordance with Bombardier Service Bulletin 601R-32-090, Revision B, dated December 12, 2006; and Bombardier Service Bulletin Revision C, dated March 3, 2009; are considered acceptable for compliance with the requirements of this AD for that valve. 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), 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. 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 (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 Canadian Airworthiness Directive CF-2009-19, dated April 29, 2009; and Bombardier Service Bulletin 601R-32-104, dated March 3, 2009; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 601R-32-104, dated March 3, 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 the 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 September 29, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-25458 Filed 10-13-10; 8:45 am] BILLING CODE 4910-13-P

Unless already done, do the following actions. (1) Within 1,600 flight hours or 18 months after the effective date of this AD, whichever occurs first: Do an inspection to determine the serial number and identification markings on the selector valve of the NLG and the door selector valve of the NLG, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-32-104, dated March 3, 2009. A review of airplane maintenance records is acceptable in lieu of this inspection if the serial number and identification markings of the selector valve and the door selector valve can be conclusively determined from that review. (2) For any airplane having either the selector valve of the NLG or the door selector valve of the NLG that have a serial number outside the range 0001 through 2126 inclusive, suffix “T” identification, or “SB750006000-1” marking, no further action is required for that valve. (3) If, during any inspection required by paragraph (f)(1) of this AD, any selector valve of the NLG or any door selector valve of the NLG is found that does not have any serial number or identification marking specified in paragraph (f)(2) of this AD: Before further flight after doing the inspection required by paragraph (f)(1) of this AD, inspect to determine the torque value and correct lockwire installation of the valve, and modify (replace, rework, or re-identify) the valve, as applicable, in accordance with the Accomplishment Instructions of Bombardier Service Bulletin 601R-32-104, dated March 3, 2009. (4) For airplanes having part number (P/N) 601R75146-1 (Tactair P/N 750006000), serial number 001 thru 0767: Modification of the valve accomplished before the effective date of this AD in accordance with Bombardier Service Bulletin 601R-32-090, Revision B, dated December 12, 2006; and Bombardier Service Bulletin Revision C, dated March 3, 2009; are considered acceptable for compliance with the requirements of this AD for that valve. 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), 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. 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 (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 Canadian Airworthiness Directive CF-2009-19, dated April 29, 2009; and Bombardier Service Bulletin 601R-32-104, dated March 3, 2009; for related information. Material Incorporated by Reference (i) You must use Bombardier Service Bulletin 601R-32-104, dated March 3, 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 the 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 September 29, 2010. Ali Bahrami, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-25458 Filed 10-13-10; 8:45 am] BILLING CODE 4910-13-P