United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2006_register executive 2010-09-22 article Rules and Regulations D09002ee1c80f49c2 D09002ee1c80f4a6b United States Department of Transportation originator org United States Government Agency or Subagency United States Federal Aviation Administration originator org United States Government Agency or Subagency The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls- Royce Corporation (RRC), and Superior Air Parts Inc. This AD requires operators to remove from service affected gas producer rotor assembly tie bolts, and install serviceable tie bolts. This AD results from eleven reports of RRC tie bolt failure due to high cycle fatigue. We are issuing this AD to prevent tie bolt failure that could cause loss of engine power, resulting in a first stage turbine wheel overspeed and an uncontained engine failure. 71 FR 35505 https://www.govinfo.gov/app/details/FR-2006-06-21/06-5547 06-5547 fr21jn06-7 RIN 2120-AA64 4910-13-P Docket No. FAA-2005-22594 Directorate Identifier 2005-NE-28-AD Amendment 39-14659 AD 2006-13-06 https://www.govinfo.gov/app/details/FR-2006-06-21/06-5547 https://www.govinfo.gov/content/pkg/FR-2006-06-21/html/06-5547.htm https://www.govinfo.gov/content/pkg/FR-2006-06-21/pdf/06-5547.pdf Air Transportation Aircraft Aviation Safety Safety 3 p. 35505 35507 71 FR 35505 Title 14 Part 39 14 CFR Part 39 RIN 2120-AA64 Airworthiness Directives; Rolls-Royce Corporation (Formerly Allison Engine Company, Allison Gas Turbine Division, and Detroit Diesel Allison) 250-B and 250-C Series Turboprop and Turboshaft Engines; Federal Register Vol. 71, Issue RULE 06-5547 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 2006-07-26 Docket No. FAA-2005-22594 Directorate Identifier 2005-NE-28-AD Amendment 39-14659 AD 2006-13-06 4910-13-P 06-5547 Final rule.

The FAA is adopting a new airworthiness directive (AD) for Rolls-Royce Corporation 250-B and 250-C series turboprop and turboshaft engines with certain part numbers (P/Ns) of gas producer rotor assembly tie bolts manufactured by EXTEX Ltd., Pacific Sky Supply Inc., Rolls- Royce Corporation (RRC), and Superior Air Parts Inc. This AD requires operators to remove from service affected gas producer rotor assembly tie bolts, and install serviceable tie bolts. This AD results from eleven reports of RRC tie bolt failure due to high cycle fatigue. We are issuing this AD to prevent tie bolt failure that could cause loss of engine power, resulting in a first stage turbine wheel overspeed and an uncontained engine failure.

This AD becomes effective July 26, 2006. <bullet> Robert Baitoo, Aerospace Engineer, Los Angeles Aircraft Certification Office, FAA, Transport Airplane Directorate, 3960 Paramount Blvd., Lakewood, CA 90712-4137; telephone: (562) 627-5245, fax: (562) 627-5210, for questions about, EXTEX Ltd., or Pacific Sky Supply Inc. gas producer rotor assembly tie bolts. Air Transportation Aircraft Aviation Safety Safety Airworthiness directives: Rolls-Royce Corp., http://dms.dot.gov Vol. 71, no. 119 Office of the Federal Register, National Archives and Records Administration 2006-06-21 continuing daily deposited born digital 289 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2006-06-21 P0b002ee1809599ff 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr21jn06 https://www.govinfo.gov/app/details/FR-2006-06-21 https://www.govinfo.gov/content/pkg/FR-2006-06-21/pdf/FR-2006-06-21.pdf https://www.govinfo.gov/content/pkg/FR-2006-06-21/xml/FR-2006-06-21.xml fdlp 35491 35769 DGPO 2010-09-22 2024-06-06 FR-2006-06-21 machine generated eng FR FR-2006-06-21 71 119