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 1998_register executive 2010-09-24 article Rules and Regulations D09002ee1bdfe4a4c D09002ee1bdfe4afc 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 supersedes Airworthiness Directive (AD) 93-10- 06, which currently requires repetitively inspecting the wing lift struts and wing lift strut forks for cracks or corrosion on all airplane models of The New Piper Aircraft, Inc. (Piper) that are equipped with wing lift struts, and replacing any strut or fork found cracked or corroded. This AD clarifies certain requirements of AD 93- 10-06, eliminates the lift strut fork repetitive inspection requirement on the Piper PA-25 series airplanes, incorporates models inadvertently omitted from AD 93-10-06, and requires fabricating and installing a placard on the lift strut. This AD results from reports, questions, and information received from the field on AD 93-10-06, which show a need to clarify and add information that will more fully achieve the safety intent of that AD. The actions specified by this AD are intended to prevent in-flight separation of the wing from the airplane caused by corroded wing lift struts or cracked wing lift forks, which could result in loss of control of the airplane. 63 FR 72132 https://www.govinfo.gov/app/details/FR-1998-12-31/98-34384 98-34384 fr31de98-9 RIN 2120-AA64 4910-13-P Docket No. 96-CE-72-AD Amendment 39-10972 AD 99-01-05 https://www.govinfo.gov/app/details/FR-1998-12-31/98-34384 https://www.govinfo.gov/content/pkg/FR-1998-12-31/html/98-34384.htm https://www.govinfo.gov/content/pkg/FR-1998-12-31/pdf/98-34384.pdf 6 p. 72132 72137 63 FR 72132 Title 14 Part 39 14 CFR Part 39 RIN 2120-AA64 Airworthiness Directives; All Airplane Models of The New Piper Aircraft, Inc. (formerly Piper Aircraft Corporation) That Are Equipped with Wing Lift Struts; Federal Register Vol. 63, Issue RULE 98-34384 DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 1999-02-08 Docket No. 96-CE-72-AD Amendment 39-10972 AD 99-01-05 4910-13-P 98-34384 Final rule.

This amendment supersedes Airworthiness Directive (AD) 93-10- 06, which currently requires repetitively inspecting the wing lift struts and wing lift strut forks for cracks or corrosion on all airplane models of The New Piper Aircraft, Inc. (Piper) that are equipped with wing lift struts, and replacing any strut or fork found cracked or corroded. This AD clarifies certain requirements of AD 93- 10-06, eliminates the lift strut fork repetitive inspection requirement on the Piper PA-25 series airplanes, incorporates models inadvertently omitted from AD 93-10-06, and requires fabricating and installing a placard on the lift strut. This AD results from reports, questions, and information received from the field on AD 93-10-06, which show a need to clarify and add information that will more fully achieve the safety intent of that AD. The actions specified by this AD are intended to prevent in-flight separation of the wing from the airplane caused by corroded wing lift struts or cracked wing lift forks, which could result in loss of control of the airplane.

Effective February 8, 1999. William O. Herderich, Aerospace Engineer, FAA, Atlanta Certification Office, One Crown Center, 1895 Phoenix Boulevard, suite 450, Atlanta, Georgia 30349; telephone: (770) 703-6084; facsimile: (770) 703-6097. Vol. 63, no. 251 Office of the Federal Register, National Archives and Records Administration 1998-12-31 continuing daily deposited born digital 273 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-1998-12-31 P0b002ee180a78509 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr31de98 https://www.govinfo.gov/app/details/FR-1998-12-31 https://www.govinfo.gov/content/pkg/FR-1998-12-31/pdf/FR-1998-12-31.pdf fdlp 72097 72356 DGPO 2010-09-24 2023-05-05 FR-1998-12-31 machine generated eng FR FR-1998-12-31 63 251