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 2001_register executive 2010-09-24 article Rules and Regulations D09002ee1c81dd1a6 D09002ee1c81dd28f 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 This amendment adopts a new airworthiness directive (AD) that is applicable to certain Gulfstream Model G-1159, G-1159A, G-1159B, G- IV, and G-V series airplanes. This action requires an inspection to determine if certain door control valves of the landing gear are installed, and modification of the valve, if necessary. This action is necessary to prevent loss of hydraulic system fluid due to failure of the door control valve of the landing gear, which could require the flight crew to use alternate gear extension procedures (landing gear blow down) for landing of all models. This action is intended to address the identified unsafe condition. 66 FR 20734 https://www.govinfo.gov/app/details/FR-2001-04-25/01-9876 01-9876 fr25ap01-2 RIN 2120-AA64 4910-13-P Docket No. 2001-NM-83-AD Amendment 39-12191 AD 2001-08-13 https://www.govinfo.gov/app/details/FR-2001-04-25/01-9876 https://www.govinfo.gov/content/pkg/FR-2001-04-25/html/01-9876.htm https://www.govinfo.gov/content/pkg/FR-2001-04-25/pdf/01-9876.pdf Air Transportation Aircraft Aviation Safety Incorporation by Reference Safety 4 p. 20734 20737 66 FR 20734 Title 14 Part 39 14 CFR Part 39 RIN 2120-AA64 Airworthiness Directives; Gulfstream Model G-1159, G-1159A, G-1159B, G-IV, and G-V Series Airplanes; Federal Register Vol. 66, Issue RULE 01-9876 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 2001-05-10 Docket No. 2001-NM-83-AD Amendment 39-12191 AD 2001-08-13 4910-13-P 01-9876 Final rule; request for comments.

This amendment adopts a new airworthiness directive (AD) that is applicable to certain Gulfstream Model G-1159, G-1159A, G-1159B, G- IV, and G-V series airplanes. This action requires an inspection to determine if certain door control valves of the landing gear are installed, and modification of the valve, if necessary. This action is necessary to prevent loss of hydraulic system fluid due to failure of the door control valve of the landing gear, which could require the flight crew to use alternate gear extension procedures (landing gear blow down) for landing of all models. This action is intended to address the identified unsafe condition.

Effective May 10, 2001. Frank Mokry, Aerospace Engineer, Systems and Flight Test Branch, ACE-116A, FAA, Atlanta Aircraft Certification Office, One Crown Center, 1895 Phoenix Boulevard, suite 450, Atlanta, Georgia 30349; telephone (770) 703-6066; fax (770) 703- 6097. Air Transportation Aircraft Aviation Safety Incorporation by Reference Safety Airworthiness directives: Gulfstream, 9-anm-iarcomment@faa.gov Vol. 66, no. 80 Office of the Federal Register, National Archives and Records Administration 2001-04-25 continuing daily deposited born digital 176 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2001-04-25 P0b002ee180a184ec 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr25ap01 https://www.govinfo.gov/app/details/FR-2001-04-25 https://www.govinfo.gov/content/pkg/FR-2001-04-25/pdf/FR-2001-04-25.pdf https://www.govinfo.gov/content/pkg/FR-2001-04-25/xml/FR-2001-04-25.xml fdlp 20733 20898 DGPO 2010-09-24 2024-06-08 FR-2001-04-25 machine generated eng FR FR-2001-04-25 66 80