95-18-14: High Pressure Compressor Rotor

95-18-14 General Electric Company: Amendment 39-9361. Docket 95-ANE-51. Applicability: General Electric Company (GE) CF6 series engines. These engines are installed on but not limited to Airbus Industries A300, A310, and A330 series; Boeing 747 and 767 series; and McDonnell Douglas DC10 and MD11 series aircraft. NOTE: 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 use the authority provided in paragraph (b) to request approval from the FAA. This approval may address either no action, if the current configuration eliminates the unsafe condition, or different actions necessary to address the unsafe condition described in this AD. Such a request should include an assessment of the effect of the changed configuration on the unsafe condition addressed by this AD. In no case does the presence of any modification, alteration, or repair remove any engine from the applicability of this AD. Compliance: Required as indicated, unless accomplished previously. To prevent an uncontained high pressure compressor rotor (HPCR) engine failure, which can result in damage to the aircraft, accomplish the following: (a) After the effective date of this AD all fluorescent penetrant inspections of HPCR stage 3-9 spools must be accomplished in accordance with the process described in GE All Operators' Wire, Subject: FPI of Deeps Disk Spools, Best Practices, dated August 10, 1995. (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, Engine Certification Office. The request should be forwarded through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Engine Certification Office. NOTE: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the Engine Certification Office. (c) The actions required by this AD shall be accomplished in accordance with the following GE All Operators' Wire: Document Pages Date Subject: FPI of Deep Disk Spools, Best Practices 1-3 August 10, 1995 Total pages: 3. 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 General Electric Aircraft Engines, CF6 Distribution Clerk, Room 132, 111 Merchant Street, Cincinnati, OH 45246. Copies may be inspected at the FAA, New England Region, Office of the Assistant Chief 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. (d) This amendment becomes effective on September 21, 1995.