2000-24-01: Main Landing Gear Wheel Bay Protection Shields

2000-24-01 BOMBARDIER, INC. (Formerly Canadair): Amendment 39-12008. Docket 2000-NM-368-AD. Applicability: The following airplanes, certificated in any category: Model Serial Numbers CL-600-1A11 (CL-600) 1004 though 1085 inclusive CL-600-2A12 (CL-601) 3001 through 3066 inclusive CL-600-2B16 (CL-601-3A and CL-601-3R) 5001 through 5194 inclusive CL-600-2B16 (CL-604) 5301 through 5392 inclusive Note 1: This AD applies to each airplane identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For airplanes that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (b) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it. Compliance: Required as indicated, unless accomplished previously. To prevent water, ice, or slush accumulation on the aileron quadrants and/or control cable pulleys in the wheel bay of the main landing gear (MLG) during ground roll, which could subsequently freeze during the climb to cruise altitude and cause stiffness in the aileron controls and reduced controllability of the airplane, accomplish the following: Installation of Protection Shields (a) Within 45 days after the effective date of this AD, install protection shields in the wheel bay of the MLG, per the following applicable Bombardier service bulletin: Model Bombardier Service Bulletin Service Bulletin Date CL-600-1A11 (CL-600) 600-0684 July 15, 1998 CL-600-2A12 (CL-601), and CL-600-2B16 (CL-601-3A and CL-601-3R) 601-0507 June 30, 1998 CL-600-2B16 (CL-604) 604-32-007 June 30, 1998 Alternative Methods of Compliance (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, New York Aircraft Certification Office (ACO), FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, New York ACO. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the New York ACO. Special Flight Permits (c) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. Incorporation by Reference (d) The actions shall be done in accordance with the following servicebulletins, as applicable: Bombardier Service Bulletin Service Bulletin Date 600-0684 July 15, 1998 601-0507 June 30, 1998 604-32-007 June 30, 1998 This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Bombardier, Inc., Canadair, Aerospace Group, P.O. Box 6087, Station Centre-ville, Montreal, Quebec H3C 3G9, Canada. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, New York Aircraft Certification Office, 10 Fifth Street, Third Floor, Valley Stream, New York; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 3: The subject of this AD is addressed in Canadian airworthiness directive CF-2000-30, dated September 12, 2000. Effective Date (e) This amendment becomes effective on December 19, 2000.