AD 2003-11-10 Airworthiness Directives; Turbomeca S.A. Arrius -2F Turboshaft Engines

This airworthiness directive (AD) is applicable to Turbomeca S.A. Arrius -2F turboshaft engines with Fuel Control Units (FCUs) part numbers (P/Ns) 0 319 92 832 0, 0 319 92 830 0, and 0 319 92 825 0, with FCU serial numbers (SNs) in the following Table 1: Table 1.—Affected FCU Serial Numbers       102B 135B 166B 103B 136B 167B 104B 137B 168B 105B 138B 169B 106B 139B 171B 107B 140B 173B 108B 141B 174B 110B 142B 175B 111B 143B 176B 112B 144B 177B 113B 145B 178B 114B 146B 180B 115B 148B 181B 116B 149B 182B 118B 150B 183B 120B 153B 185B 122B 155B 186B 123B 156B 190B 124B 158B 191B 126B 159B 193B 129B 161B 199B 132B 164B N/A 133B 165B N/A These engines are installed on, but not limited to Eurocopter 120B “Colibri” helicopters. Note 1: This AD applies to each engine 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 engines 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 (c) 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 with this AD is required within 120 days after the effective date of this AD, unless already done. To prevent reduced maximum available power during takeoff, landing, or an emergency, which could significantly affect helicopter performance, and result in loss of the helicopter, do the following: (a) For FCUs listed in the applicability of this AD, adjust the maximum fuel flow mechanical stop position to a higher fuel flow setting, in accordance with paragraphs 2.A.(1) and 2.B.(1) of Turbomeca S.A Alert Service Bulletin (ASB) No. A319 73 4808, dated September 1, 2000. (b) Perform a ground run check and a check flight in accordance with paragraph 2.C.(1) of Turbomeca S.A ASB No. A319 73 4808, dated September 1, 2000. Alternative Methods of Compliance (c) 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, Engine Certification Office (ECO). Operators must submit their request through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, ECO. Note 2: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the ECO. Special Flight Permits (d) Special flight permits may be issued in accordance with §§ 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the helicopter to a location where the requirements of this AD can be done. Documents That Have Been Incorporated by Reference (e) The actions must be done in accordance with Turbomeca S.A. Alert Service Bulletin No. A319 73 4808, dated September 1, 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 Turbomeca S.A., 64511 Bordes Cedex, France; telephone 33 05 59 64 40 00, fax 33 05 59 64 60 80. Copies may be inspected at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; 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 Direction Generale de L'Aviation Civile AD 2000-482(A), dated November 29, 2000. Effective Date (f) This amendment becomes effective on July 3, 2003. Issued in Burlington, Massachusetts, on May 20, 2003. Francis A. Favara, Acting Manager, Engine and Propeller Directorate, Aircraft Certification Service. [FR Doc. 03-13114 Filed 5-28-03; 8:45 am] BILLING CODE 4910-13-P