AD 2001-13-21 Airworthiness Directives; Bombardier Model DHC-8-102, -103, and -301 Series Airplanes

Models named: DHC-8-102, -103, -301 series. Read the applicability below — it usually turns on serial or part numbers too.

Model DHC-8-102, -103, and -301 series airplanes, certificated in any category, serial numbers 003 through 146, excluding serial numbers 064 and 137. 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.

Required as indicated, unless accomplished previously. To prevent the flight deck angle from interfering with the clevis of the roll control disconnect cable, which could lead to an uncommanded disconnection of the roll control, resulting in reduced controllability of the airplane, accomplish the following: Repair (a) Within 18 months after the effective date of this AD: Repair the flight deck angle having part number (P/N) 85310497-101/103, by accomplishing all applicable actions specified in the Accomplishment Instructions of Bombardier Service Bulletin 8-53-75, dated December 6, 1999, in accordance with the service bulletin. Note 2: The service bulletin references Bombardier Repair Drawing RD8-53-3620, dated June 15, 1999, as an additional source of service information for accomplishment of the repair of the flight deck angle. 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 3: 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 repair shall be done in accordance with Bombardier Service Bulletin 8-53-75, dated December 6, 1999. 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., Bombardier Regional Aircraft Division, 123 Garratt Boulevard, Downsview, Ontario M3K 1Y5, 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 4: The subject of this AD is addressed in Canadian airworthiness directive CF-2000-21, dated August 4, 2000. Effective Date (e) This amendment becomes effective on August 10, 2001. Issued in Renton, Washington, on June 26, 2001. Vi L. Lipski, Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-16738 Filed 7-5-01; 8:45 am] BILLING CODE 4910-13-P