AD 2010-23-19 Airworthiness Directives; Bombardier, Inc. Model CL-600-2C10 (Regional Jet Series 700, 701, & 702), Model CL-600-2D15 (Regional Jet Series 705), and Model 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 (S/Ns) 10003 and subsequent. (2) Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24 (Regional Jet Series 900) airplanes, having S/Ns 15001 and subsequent.

You are responsible for having the actions required by this AD performed within the compliance times specified, unless the actions have already been done. Repetitive Inspections and Corrective Actions (g) For airplanes having S/Ns 10003 to 10313 inclusive, 15001 to 15238 inclusive, and 15240 to 15255 inclusive: Within 50 flight cycles after the effective date of this AD, do the inspections specified in paragraphs (g)(1), (g)(2), (g)(3), and (g)(4) of this AD, in accordance with “PART A—Inspection of the MLG Inboard Doors, MLG Fairing and Adjacent Structure” of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. Repeat the inspections thereafter at intervals not to exceed 600 flight hours. (1) Do a detailed inspection for damage (including wear lines, cracks, fraying, tears, and evidence of chafing) of the rubber seal of the MLG fairing. (2) Do a detailed inspection for damage (including missing and broken rollers, loose and missing fasteners, damaged and missing stops) of the MLG inboard doors, and damage along the edge of the MLG inboard door adjacent to the MLG fairing. (3) Do a detailed inspection of the MLG fairing for damage (including missing forward and aft stops, loose and missing fasteners), and damage along the edge of the MLG fairing adjacent to the MLG door. (4) Do a detailed inspection for damage (including missing stops, loose and missing fasteners, and missing wedges) of the stops and wedge on the forward and aft spars. (h) For airplanes not identified in paragraph (g) of this AD: Within 600 flight hours after the effective date of this AD, do the inspections specified in paragraphs (h)(1), (h)(2), (h)(3), and (h)(4) of this AD, in accordance with “PART A—Inspection of the MLG Inboard Doors, MLG Fairing and Adjacent Structure” of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. Repeat the inspections thereafter at intervals not to exceed 600 flight hours. (1) Do a detailed inspection for damage (including wear lines, cracks, fraying, tears, and evidence of chafing) of the rubber seal of the MLG fairing. (2) Do a detailed inspection for damage (including missing and broken rollers, loose and missing fasteners, damaged and missing stops) of the MLG inboard doors, and damage along the edge of the MLG inboard door adjacent to the MLG fairing. (3) Do a detailed inspection of the MLG fairing for damage (including missing forward and aft stops, loose and missing fasteners), and damage along the edge of the MLG fairing adjacent to the MLG door. (4) Do a detailed inspection for damage (including missing stops, loose and missing fasteners, and missing wedges) of the stops and wedge on the forward and aft spars. (i) If damage to only the rubber seal on the MLG fairing is found during any inspection required by paragraph (g) or (h) of this AD: Before further flight, do either action in paragraph (i)(1) or (i)(2) of this AD. (1) Replace the rubber seal on the MLG fairing with a new rubber seal, in accordance with “PART B—Replacement of the Forward Rubber Seal on the MLG Fairing” of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. (2) Remove the MLG inboard door, in accordance with “PART C—Removal of MLG Inboard Door” of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. For airplanes on which the MLG inboard door is re-installed, do the installation of the MLG inboard door in accordance with “PART D—Installation of MLG Inboard Door” of the Accomplishment Instructions of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. (j) If damage other than the damage identified in paragraph (i) of this AD is found during any inspection required by paragraph (g) or (h) of this AD: Before further flight, contact the Bombardier Regional Aircraft Customer Response Center for repair instructions and do the repair. (k) Submit a report of the positive findings of the initial inspection required by paragraph (g) or (h), as applicable, of this AD to Bombardier, at the applicable time specified in paragraph (k)(1) or (k)(2) of this AD. The report must include the information specified in Appendix A of Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010. (1) If the inspection was done on or after the effective date of this AD: Submit the report within 30 days after the inspection. (2) If the inspection was done before the effective date of this AD: Submit the report within 30 days after the effective date of this AD. Credit for Actions Accomplished in Accordance With Previous Service Information (l) Actions accomplished before the effective date of this AD according to Bombardier Alert Service Bulletin A670BA-32-030, dated October 18, 2010, are considered acceptable for compliance with the corresponding action specified 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 (m) The following provisions also apply to this AD: (1) Alternative Methods of Compliance (AMOCs): The Manager, New York 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 (n) Refer to MCAI Canadian Airworthiness Directive CF-2010-36, dated October 18, 2010; and Bombardier Alert Service Bulletin A670BA-32-030, Revision A, dated October 22, 2010; for related information. Material Incorporated by Reference (o) You must use Bombardier Alert Service Bulletin A670BA-32-030, Revision A, including Appendix A, dated October 22, 2010, 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 November 1, 2010. Jeffrey E. Duven, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 2010-28162 Filed 11-8-10; 8:45 am] BILLING CODE 4910-13-P