AD 2001-12-04 Airworthiness Directives; Dornier Model 328-300 Series Airplanes

Models named: 328-300 series. Read the applicability below — it usually turns on serial or part numbers too.

Model 328-300 series airplanes, serial numbers 3105 to 3175 inclusive; certificated in any category. 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 a crack in the hydraulic line, leading to heavy leakage in hydraulic system “B,” which could impair the functioning of the airplane's flaps, roll spoilers, inner ground spoilers, and nose wheel steering, accomplish the following: Replacement (a) Within 45 days from the effective date of this AD: Remove the hydraulic hose having part number (P/N) 001D291A2050010 between the main pump 50DA and the pulsation damper, and replace it with a new hose having P/N 001D291A1102000, in accordance with Dornier Service Bulletin SB-328J-29-040, dated June 8, 2000. 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, International Branch, ANM-116, Transport Airplane Directorate, FAA. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, International Branch, ANM-116. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the International Branch, ANM-116. 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 Dornier Service Bulletin SB-328J-29-040, dated June 8, 2000. 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 Fairchild Dornier, Dornier Luftfahrt GmbH, P.O. Box 1103, D-82230 Wessling, Germany. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; 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 German airworthiness directive 2000-378, dated December 14, 2000. Effective Date (e) This amendment becomes effective on July 18, 2001. Issued in Renton, Washington, on June 4, 2001. Donald L. Riggin, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 01-14532 Filed 6-12-01; 8:45 am] BILLING CODE 4910-13-P